Electrical Load Center May Overheat – 2019-2021 E-One Cyclone 2, 2020 Commercial, Quest 2, 2020-2021 Typhoon, 2021 Cyclone N, & 2020-2022 Typhoon N Fire Trucks

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1 October 31, 2022 Dear Sir or Madam, This letter is for mailing the Part 577 Owner Notifications for Recall 22V-538 after the 60 day limit. I will not make excuses and I take full responsibility for the late mailing. I waited until the last week to send the letters to the printing company. The printing company has always been able to print and send the letters within a couple of days. However, this time the company’s printing machine went down and they were having problems getting the parts to repair it which caused an additional delay. I should not have waited until the last minute to send these letters for printing and will not wait until the last minute in the future. I apologize for this happening. Sincerely, Leroy C. Stephens Leroy C. Stephens Lead Engineering Advanced Product Development ph:(352) 861-5044 lstephens@e-one.com

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Public DATE: June 16, 2022 TO: Electrical Contactors and Homebuilders FROM: Schneider Electric (SE) Recovery Administration SUBJECT: QOTM Plug-On Neutral Load Center RE: 1. Product Identification and Quarantine 2. Product Inspection and Remediation 3. Product Return 4. Request for Customer List Ref.: PRB-236759 PLEASE DELIVER IMMEDIATELY TO THE RESPONSIBLE PERSON IN YOUR ORGANIZATION Dear Valued Customer, Schneider Electric is committed to delivering high quality products to our customers. As part of our ongoing quality monitoring process, a potential issue was detected that may affect specific QO Plug-On Neutral Load Centers manufactured between February 1, 2020 and January 12, 2022 at Schneider Electric Plant 15. The issue detected is a loose neutral screw connection within the QO Plug-On Neutral Load Center. If that connection is loose, the affected load center can overheat, posing thermal burn and fire hazards There is a potential for PROPERTY DAMAGE AND PERSONAL INJURY as a result. Affected products were manufactured between February 1, 2020 and January 12, 2022, with date codes between 200561 and 220233. Plant 15 is the only plant impacted and all other plant codes are not affected. A complete list of affected catalog numbers, date code description, and inspection instructions is shown in Attachment 1, Product Identification. This nonconformity has been contained at Schneider Electric manufacturing plants, distribution centers and product adaptation locations. All QO Plug-On Neutral Load Centers produced after January 12, 2022 are conforming to Schneider Electric design and manufacturing standards. Existing inventory with date codes prior to January 13, 2022 has been validated and is marked with a green dot to indicate compliance with Schneider Electric design and manufacturing standards. Any product marked with a green dot on the carton is excluded from this notice. This Product Recall is happening in cooperation with and has approved by the Consumer Product Safety Commission (“CPSC”). This letter is to communicate these risks and outline actions requested to ensure the proper identification, quarantining and return of any affected product. While the inconvenience is regrettable, safety remains the highest priority of Schneider Electric. For this reason, thank you for your prompt assistance in this matter. RECALL SAFETY NOTICE NOTICE OF POTENTIAL UNSAFE CONDITION Contractor Letter 2 Final 6/16/2022 Public What to do: Inspect existing inventory and stop installation of the affected products immediately. If this activity has not been completed, please do so immediately. All affected products should be removed from stock and/or shelves and quarantined in accordance with attachment 1. If continued quarantining of affected product is not feasible, please contact SE customer care department for further assistance at 888-778-2733 options 2, 1, 4. How to Identify Affected Product – Not Installed To properly identify a potentially affected QO Plug-On Neutral Load Centers using the information on the carton, please refer to Attachment 1, Part I – Outdoor Product Identification, and Part II – Indoor Product Identification. How to Identify Affected Product – Installed Once a product has been installed, the catalog number and date code may only be found inside the enclosure, on the identification labels. Only qualified electrical individuals should remove the cover of the load center. Please refer to Attachment 1, Part III – Product out of Carton for the location and information to be found on the product labels. How to Inspect Products – Not Installed Schneider Electric has developed a list of instructions for inspection of a product. It is recommended that these instructions be carried out only by properly trained and licensed professionals. To receive a copy of these instructions, follow the Inspection Link How to Inspect (and Possibly Repair) Products – Installed Schneider Electric has developed a list of instructions for the inspection, and possible remediation of an installed and connected load center. These instructions must only be followed by trained and licensed professionals. To arrange for an inspection of a load center, please contact Schneider Electric via the General Questions and Technical Support contact information above. Trained professionals may receive a copy of these inspection instructions by contacting Schneider Electric. The Customer Care team will register any professional and send a copy of the instruction for inspection and possible repair of installed load centers. Please contact us via the General Questions and Technical Support contact information above. Customer Contact Information SE desires to contact all customers who have purchased the affected product. To the extent allowable by law, please provide any customer contact information so SE may notify any known customers directly. All customer information provided to SE will only be utilized for the purposes of this Product Safety Alert. SE requests the name(s) and address(es) of the customer(s) who have purchased affected product by either providing an excel spreadsheet or through the following Contractor Letter 3 Public link provided. For Further Customer Questions: If a customer has any further questions concerning affected product, please refer to the following contact information; General Questions and Technical Support chat at MySE/MySchneider or https://www.se.com/us/en/work/support/customer-care/contact-schneider- electric.jsp Phone: 888-778-2733 options 2, 1, 4 Email: technicalsupport@schneider-electric.com To return affected product either from a store or a customer , please refer to the following contact information; Returns Chat through MySE/MySchneider Phone: 888-778-2733 option 3 Email: ccc-claims@schneider-electric.com How to identify affect product To properly identify a potentially affected QO Plug-On Neutral Load Centers, please refer to Product Identification. Contractor Letter 4 Final 6/16/2022 Public Product Identification Table 1 – US Stocked Products — Affected Catalog Numbers QO112L125KPCA QO124M125PRB QO142M150PC QO112L125PG QO124M150P QO142M200P QO112L125PGC QO124M200P QO142M200PC QO112L125PGRB QO124M200PWG125 QO142M200PCAFVP QO112L125PWG QO130L125PG QO142M200PCVP QO112L125VPCA QO130L125PQG QO142M200PQ QO112L200PG QO130L150PG QO142M200PQCVP QO112L200PGRB QO130L200PG QO142M200PRB QO112M100P QO130L200PGC QO142M225P QO112M100PC QO130L200PGRB QO142M225PRB QO112M100PRB QO130L200PQG QO142MQ200PQ QO116L125PG QO130L200PWG QO154L225PG QO116L125PGRB QO130M150P QO154L225PGC QO116M100P QO130M150PC QO154L225PGMF QO116M100PC QO130M150PRB QO154L225PQG QO116M100PRB QO130M200P QO154M200P QO120L125PG QO130M200PC QO154M200PC QO120L125PGC QO130M200PQ QO154M200PQ QO120L125PWG QO130M200PRB QO160M200PC QO120M100P QO132L125PG QO1816M200PFTRB QO120M100PC QO132M100P QOGP3P3036P QO120M100PRB QO132M100PCVP QOGP3P6036P QO120M150P QO132M125P QOGP3P604436100P QO120M150PRB QO132M150P QOGP3P604436125P QO120M200P QO140L200PG QOGP3P604436150P QO120M200PRB QO140L200PGRB QOGP3P604436200P QO124L125PG QO140L225PG QON112L125PI QO124L125PGC QO140M200P QON112L200PI QO124L125PGCVP QO140M200PC QON120L125PI QO124L125PGRB QO140M200PCBE QON124L200PDL QO124L125PQG QO140M200PRB QON124L200PI QO124L125PQGCVP QO140M200PT2 QON130L200PDL QO124L200PG QO140M225P QON130L200PI QO124M100P QO142L225PG QON142L225PI QO124M100PC QO142L225PGC QON154L225P QO124M100PCVP QO142L225PGCVP QON160L225P QO124M100PRB QO142L225PGRB QO124M125P QO142L225PQG Contractor Letter 5 Public Table 2 – Canada Stocked Products – Affected Catalogue Numbers CQO112L100PGC CQO124M100PC CQO140L125PGC CQO112M100PC CQO124M100PCD CQO140L200PGC CQO112M30PC CQO124M100PRB CQO140L200PGRB CQO112M40PC CQO124M30PC CQO140M100PC CQO112M50PC CQO124M40PC CQO140M125PC CQO112M60PC CQO124M50PC CQO140M150PC CQO112M70PC CQO124M60PC CQO140M200PC CQO116L100PGC CQO124M70PC CQO140M200PCD CQO116L100PGRB CQO132L125PGC CQO140M200PRB CQO116M100PC CQO132L200PGC CQO140M60PC CQO116M100PRB CQO132M100PC CQO142L225PGC CQO116M30PC CQO132M100PCD CQO160L225PGC CQO116M50PC CQO132M125PC CQO160M100PC CQO116M60PC CQO132M150PC CQO160M125PC CQO116M60PRB CQO132M200PC CQO160M150PC CQO124L125PGC CQO132M60PC CQO160M200PC CQO124L125PGRB CQO132M70PC CQO160M225PC QP24100 QP32100 QP32100 QP32100 Contractor Letter 6 Final 6/16/2022 Public No No Yes Is date code on product within scope? Is there a Green Dot on the box? Does Plant Code = Plant 15 on label? Is my catalog number affected? Product is not impacted by Safety Notice No No Yes Yes Indoor Load Center Inspection Workflow 1 1 Affected catalog numbers can be found on the customer letter and/or the website: https://se.com/us/qoloadcneter-safetyrecallnotice Outdoor Load Center Contact SE for repair Yes Contractor Letter 7 Public Outdoor Load Center 1 Step 1 — Catalog Number Validate if catalog number is within scope of safety notice. Refer to customer letter and/or URL: https://se.com/us/qoloadcneter-safetyrecallnotice 2 Step 2 — Plant Code Validate Plant Code = Plant 15. Confirm if Plant Code in square box = 15. If no, product is unaffected by safety notice. If yes, proceed to Step 3. 3 Step 3 — Green Dot Validate if a Green Dot is present on the label. If yes, product is unaffected by safety notice. If no green dot is present, proceed to Step 2. 4 Step 4 — Date Code Validate the date code is within scope of the safety notice. Date code is translated as: YYWWDS. YY=Year; WW=Week; D=Day of the week; S=Shift. Example Shown: • Date Code = 221111 • Year 22, Week 11, Day 1, Shift 1 • Date = March 7, 2021 Shift 1 If date code is earlier than January 13, 2022, then the product is within scope of the safety notice and is affected. 1 3 4 2 Contractor Letter 8 Final 6/16/2022 Public Indoor Load Center 1 Step 1 — Catalog Number Validate if catalog number is within scope of safety notice. Refer to customer letter and/or URL: https://se.com/us/qoloadcneter-safetyrecallnotice 2 Step 2 — Plant Code Validate Plant Code = Plant 15. Confirm if Plant Code in square box = 15. If no, product is unaffected by safety notice. If yes, proceed to Step 3. 3 Step 3 — Green Dot Validate if a Green Dot is present on the label. If yes, product is unaffected by safety notice. If no green dot is present, proceed to Step 2. 4 Step 4 — Date Code Validate the date code is within scope of the safety notice. Date code is translated as: YYWWDS. YY=Year; WW=Week; D=Day of the week; S=Shift. Example Shown: • Date Code = 214531 • Year 21, Week 45, Day 3, Shift 1 • Date = November 3, 2021 Shift 1 If date code is earlier than January 13, 2022, then the product is within scope of the safety notice and is affected. 3 1 4 2 9 Contractor Letter Public Product out of Carton 1 Step 1 — Locate Label Locate label to identify the load center. 2 Step 2 — Catalog Number Validate if catalog number is within scope of safety notice. Refer to customer letter and/or URL: https://se.com/us/qoloadcneter-safetyrecallnotice 3 Step 3 — Plant Code Validate Plant Code = Plant 15. Confirm if Plant Code in square box = 15. If no, product is unaffected by safety notice. If yes, proceed to Step 3. 4 Step 4 — Date Code Validate the date code is within scope of the safety notice. Date code is translated as: YYWWDS. YY=Year; WW=Week; D=Day of the week; S=Shift. The Date Code is on the label above the Square D logo. If date code is earlier than January 13, 2022, then the product is within the scope of the safety notice and is affected. Schneider Electric USA, Inc. 800 Federal Street Andover, MA 01810 USA 888-778-2733 www.se.com/us Electrical equipment must be installed, operated, serviced, and maintained only by qualified personnel. No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material. Schneider Electric and Square D are trademarks and the property of Schneider Electric SE, its subsidiaries, and affiliated companies. All other trademarks are the property of their respective owners. © 2022 Schneider Electric All Rights Reserved 1 1 2 3 4 Contractor Letter 9 Public

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Instruction Bulletin Rev. 01, GEX49540, 06/2022 Replaces GEX49450, 04/2022 QO™ Plug-On Neutral Connector Clamping Screws– Field Inspection and Remediation Retain for future use. © 2022 Schneider Electric All Rights Reserved ™ Safety Information Read these instructions carefully and look at the equipment to become familiar with the device before trying to install, operate, service, or maintain it. The following special messages may appear throughout this bulletin or on the equipment to warn of hazards or to call attention to information that clarifies or simplifies a procedure. The addition of either symbol to a “Danger” or “Warning” safety label indicates that an electrical hazard exists which will result in personal injury if the instructions are not followed. This is the safety alert symbol. It is used to alert you to personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. Please Note Electrical equipment must be installed, operated, serviced, and maintained only by qualified personnel. No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material. A qualified person is one who has skills and knowledge related to the construction, installation, and operation of electrical equipment and has received safety training to recognize and avoid the hazards involved. It is the responsibility of the qualified person performing this work to determine and aquire permits and inspections according to local code requirements. DANGER DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury. WARNING WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury. CAUTION CAUTION indicates a hazardous situation which, if not avoided, could result in minor or moderate injury. NOTICE NOTICE is used to address practices not related to physical injury. The safety alert symbol is not used with this signal word. QO™ Plug-On Neutral Connector Clamping Screws–Field Inspection and Remediation 2 © 2022 Schneider Electric All Rights Reserved Rev. 01, GEX49540 Introduction This bulletin contains instructions for evaluation and potential remediation of QO plug-on neutral (PoN) interiors used in Square D™ brand or Schneider Electric™ 100 through 225 A QO main lugs and main circuit breaker indoor and outdoor load centers with UL® or CSA® markings. Manufacturing date codes are February 1, 2020, through January 12, 2022, using date codes YYWWDS where YY = year, WW = week, D = day, and S = shift. 200561 through 220233 with Plant Code 15 are affected. The date and plant codes can be found on the interior assembly label or box label (see Figure 1). The interior assembly label is located on the top of the plastic mains base inside of the enclosure as shown in Figure 2. The box label is located on one of the enclosure interior side walls, as shown in Figure 3. Figure 1 – Interior Assembly Labels Figure 2 – Common Locations for Interior Label Catalog number Date code Plant code Plant code Date code Interior labels QO™ Plug-On Neutral Connector Clamping Screws–Field Inspection and Remediation Rev. 01, GEX49540 © 2022 Schneider Electric All Rights Reserved 3 Figure 3 – Box Label Common Location Tools Required • Properly rated voltage sensing device • #2 square head Robertson® screwdriver • Magnetic T-20 Torx® screwdriver • Torque wrench calibrated to 25 lb-in. (2.8 N•m) with T-20 Torx screwdriver tip • Two green dot sticker labels with legend “Inspected PRB-236759”, provided. Alternate black permanent marker, if label is not available. Inspection and Remediation of Plug-on Neutral Connector Joints Precautions DANGER HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH • Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices. See NFPA 70E, CSA Z462, or NOM-029-STPS. • This equipment must only be installed and serviced by qualified electrical personnel. • Turn off all power supplying this equipment before working on or inside equipment. • Always use a properly rated voltage sensing device to confirm power is off. • Replace all devices, doors and covers before turning on power to this equipment. Failure to follow these instructions will result in death or serious injury. WARNING: This product can expose you to chemicals including Lead and lead compounds, which are known by the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.co.gov QO™ Plug-On Neutral Connector Clamping Screws–Field Inspection and Remediation 4 © 2022 Schneider Electric All Rights Reserved Rev. 01, GEX49540 1. Turn off all power supplying the load center. 2. Remove screws securing the load center cover (indoor load center, see Figure 4, A) or trim (outdoor load center, see Figure 4, B) and retain screws and cover for re-assembly. Remove load center cover or trim. Figure 4 – Indoor and Outdoor Load Centers (Examples) 3. Using a properly rated voltage sensing device, verify the absence of voltage. 4. Verify if manufacturing plant code is 15, that the catalog number is on the affected list (see Annex) and the date code is between 200561 and 220233 (February 1, 2020—January 12, 2022). See Figures 1–3. NOTE: If the plant code, catalog number, and date code are not inside this scope, no remediation is necessary; re-install cover (indoor) or trim (outdoor) using screws removed in step 2 and proceed to step 9. 5. Locate the plug-on neutral (PoN) connector clamping screws securing the connector to the PoN bars on the mains base of the load center. Mains bases will have two PoN connector clamping screws. These screws are silver colored, Torx head screws. See Figure 5. Figure 5 – Neutral Connector Clamping Screw Locations A B PoN clamping screw QO™ Plug-On Neutral Connector Clamping Screws–Field Inspection and Remediation Rev. 01, GEX49540 © 2022 Schneider Electric All Rights Reserved 5 6. Check the joints of the neutral connectors for evidence of degradation due to overheating (burns or plating discoloration) or evidence of plastic base overheating (melting). Evaluation: If there is evidence of degradation on neutral connector joints, the full interior must be replaced. Identify the catalog number shown in the interior label (Figure 1) and contact Schneider Electric Technical Support: 1-888-778-2733, options 2, 1, and 4. It is important to continue with the process in step 7 to secure neutral connections until interior is replaced. 7. Loosen left bottom neutral bar screw. a. Use a T-20 screwdriver to loosen the left bottom neutral bar screw one full turn counterclockwise (see Figure 6). Figure 6 – Left Bottom Neutral Bar Screw b. Use the screwdriver to turn the left neutral bar screw alternating clockwise and counterclockwise, while inspecting for movement on the PoN connector. See Figure 7. Figure 7 – Inspect for Movement on the Left PoN Connector QO™ Plug-On Neutral Connector Clamping Screws–Field Inspection and Remediation 6 © 2022 Schneider Electric All Rights Reserved Rev. 01, GEX49540 Evaluation: If the PoN connector DOES NOT MOVE, the clamping screw has proper clamping force. DO NOT tighten the clamping screw, as it may damage the connector. USING THE TORQUE WRENCH tighten the left bottom neutral bar screw to 25 lb-in. (2.8 N•m) and add a mark with the black permanent marker. See Figure 8. Go to step 8. Figure 8 – Apply Mark after Tightening Left Bottom Neutral Bar Screw If the PoN connector DOES MOVE, the clamping screw in the PoN connector must be tightened. a. Loosen the left PoN clamping screw by turning it 1/4 turn, counterclockwise. See Figure 9. Figure 9 – Left PoN Clamping Screw b. Tighten the clamping screw 1/4 turn at a time, verifying for movement after each 1/4 turn, until the connector does not move anymore. When the connector will not move anymore, apply a mark with the black permanent marker, between the connector and clamping screw. See Figure 10. QO™ Plug-On Neutral Connector Clamping Screws–Field Inspection and Remediation Rev. 01, GEX49540 © 2022 Schneider Electric All Rights Reserved 7 Figure 10 – Tighten Clamping Screw: Apply Mark after Movement Stops c. USING THE TORQUE WRENCH, RE-TIGHTEN the left bottom neutral bar screw to 25 lb-in. (2.8 N•m). Add mark to the left bottom neutral bar screw with black permanent marker. See Figure 11. Figure 11 – Apply Marking d. Use the mark on the clamping screw as a reference to tighten an additional 1/4 turn clockwise (see Figure 12). Alternate: use torque wrench to torque clamping screw to 25 lb-in. (2.8 N•m). NOTICE HAZARD OF EQUIPMENT DAMAGE Do not overtighten clamping screws. After the clamping screw has made contact with the plug-on neutral bar, do not tighten the screws to more than 25 lb-in. (2.8 N•m), if using a torque wrench. Failure to follow these instructions can result in equipment damage. QO™ Plug-On Neutral Connector Clamping Screws–Field Inspection and Remediation 8 © 2022 Schneider Electric All Rights Reserved Rev. 01, GEX49540 Figure 12 – Tighten Additional 1/4 Turn after Connector does Not Move Remediation is complete for the left connector. REPEAT steps to determine if the right clamping screw is loose and must be tightened. 8. Loosen right bottom neutral bar screw. a. Use a T-20 screwdriver to loosen the right bottom neutral bar screw one full turn counterclockwise (see Figure 13). Figure 13 – Right Bottom Neutral Bar Screw QO™ Plug-On Neutral Connector Clamping Screws–Field Inspection and Remediation Rev. 01, GEX49540 © 2022 Schneider Electric All Rights Reserved 9 b. Use the screwdriver to turn the right neutral bar screw alternating clockwise and counterclockwise, while inspecting for movement on the PoN connector. See Figure 14. Figure 14 – Inspect for Movement on the Right PoN Connector Evaluation: If the PoN connector DOES NOT MOVE, the clamping screw has proper clamping force. DO NOT tighten the clamping screw, as it may damage the connector. USING THE TORQUE WRENCH tighten the right bottom neutral bar screw to 25 lb-in. (2.8 N•m) and add a mark with the black permanent marker. See Figure 15. Go to step 9. Figure 15 – Apply Mark after Tightening Right Bottom Neutral Bar Screw If the PoN connector DOES MOVE, the clamping screw in the PoN connector must be tightened. a. Loosen the right PoN clamping screw by turning it 1/4 turn, counterclockwise. See Figure 16. QO™ Plug-On Neutral Connector Clamping Screws–Field Inspection and Remediation 10 © 2022 Schneider Electric All Rights Reserved Rev. 01, GEX49540 Figure 16 – Right PoN Clamping Screw b. Tighten the clamping screw 1/4 turn at a time, verifying for movement after each 1/4 turn, until the connector does not move anymore. When the connector will not move anymore, apply a mark with the black permanent marker, between the connector and clamping screw. See Figure 17. Figure 17 – Apply Marking c. USING THE TORQUE WRENCH, RE-TIGHTEN the right bottom neutral bar screw to 25 lb-in. (2.8 N•m). Add mark to the right bottom neutral bar screw with black permanent marker. See Figure 18. Figure 18 – Apply Marking QO™ Plug-On Neutral Connector Clamping Screws–Field Inspection and Remediation Rev. 01, GEX49540 © 2022 Schneider Electric All Rights Reserved 11 d. Use the mark on the clamping screw as a reference to tighten an additional 1/4 turn clockwise (see Figure 19). Alternate: use torque wrench to torque clamping screw to 25 lb-in. (2.8 N•m). Figure 19 – Tighten Additional 1/4 Turn after Connector does Not Move Remediation is complete for the right connector. 9. After completing inspection and/or remediation of both connectors, use the provided green dot sticker labels “Inspected PRB-236759” and place them in both locations inside the box (A) and on the back of the cover door (B). Alternate: If the green dot labels are not available, use a black permanent marker and write the legend “Inspected PRB-236759”. If the permanent marker is used during remediation, the contractor is to return at the earliest possible date to place a green dot at location (B) only. Figure 20 – Inspected PRB-236759 Identification Mark NOTICE HAZARD OF EQUIPMENT DAMAGE Do not overtighten clamping screws. After the clamping screw has made contact with the plug-on neutral bar, do not tighten the screws to more than 25 lb-in. (2.8 N•m), if using a torque wrench. Failure to follow these instructions can result in equipment damage. A B Schneider Electric USA, Inc. 800 Federal Street Andover, MA 01810 USA 888-778-2733 www.se.com/us QO™ Plug-On Neutral Connector Clamping Screws–Field Inspection and Remediation Rev. 01, GEX49540 Electrical equipment must be installed, operated, serviced, and maintained only by qualified personnel. No responsibility is assumed by Schneider Electric for any consequences arising out of the use of this material. Schneider Electric and Square D are trademarks and the property of Schneider Electric SE, its subsidiaries, and affiliated companies. All other trademarks are the property of their respective owners. © 2022 Schneider Electric All Rights Reserved 10. Re-install the load center cover (indoor) or trim (outdoor) using screws retained in step 2. Torque screws to 20 lb-in. (2.3 N•m). 11. Re-energize the load center. Annex The below Annex contains a listing of plug-on neutral load centers affected by this remediation. WARNING HAZARD OF OVERHEATING OR FIRE Do not energize the equipment if damaged during service. If during the remediation service any of the parts are damaged (cracked, deformed, stripped, or other), the full interior must be replaced. Identify the catalog number shown in the interior label (Figure 1) and contact Schneider Electric Technical Support: 1-888-778-2733, options 2, 1, and 4. Failure to follow these instructions could result in death or serious injury. QO Plug-on Neutral Catalog Numbers OEM QO Plug-on Neutral Interiors CQO112L100PGC CQO160M100PC QO124L125PQGCVP QO140L200PG QP60200 QON124L200PDL CQO112M100PC CQO160M150PC QO124L200PG QO140M200P QON120L125PI CQO112M60PC CQO160M200PC QO124M100P QO140M200PC QON124L200PI CQO116L100PGC QO112L125KPCA QO124M100PC QO140M200PCBE QON130L200PI CQO116M100PC QO112L125PG QO124M100PCVP QO140M225P QON130L200PDL CQO116M60PC QO112L125PGC QO124M125P QO142L225PG QON142L225PI CQO124L125PGC QO112L125PWG QO124M150P QO142L225PGC QON112L200PI CQO124M100PC QO112L125VPCA QO124M200P QO142L225PQG QON154L225P CQO124M100PCD QO112L200PG QO124M200PWG125 QO142M150PC CQO124M60PC QO112M100P QO130L125PG QO142M200P CQO132L125PGC QO112M100PC QO130L125PQG QO142M200PC CQO132L200PGC QO116M125PG QO130L200PG QO142M200PCVP CQO132M100PC QO116M100P QO130L200PGC QO142M200PQ CQO132M100PCD QO116M100PC QO130L200PQG QO142M200PQCVP CQO132M125PC QO120L125PG QO130L200PWG QO142M225P CQO132M200PC QO120L125PGC QO130M150P QO154L225PG CQO140L125PGC QO120L125PWG QO130M150PC QO154L225PGC CQO140L200PGC QO120M100P QO130M200P QO154L225PQG CQO140M100PC QO120M100PC QO130M200PC QO154M200P CQO140M125PC QO120M150P QO130M200PQ QO154M200PC CQO140M150PC QO120M200P QO132L125PG QO154M200PQ CQO140M200PC QO124L125PG QO132M100P QO160M200PC CQO140M200PCD QO124L125PGC QO132M100PCVP QP24100 CQO142L225PGC QO124L125PGCVP QO132M125P QP32100 CQO160L225PGC QO124L125PQG QO132M150P QP40200

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October 24, 2022 IMPORTANT SAFETY RECALL: 22V-538 Square D QO Plug-On Neutral Load Centers This notice applies to your vehicle VIN: X UNIT: 1xxxxx This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. E-ONE has decided that a defect which relates to motor vehicle safety exists in certain models of the following emergency vehicles manufactured February 2020 – January 2022, equipped with Square D QO Plug-On Neutral Load Centers: E-ONE – 2020 Commercial, 2019-2021 Cyclone 2, 2021 Cyclone N, 2020 Quest 2, 2020-2021 Typhoon, 2020-2022 Typhoon N WHY IS A RECALL BEING CONDUCTED? As part of Schneider Electric’s ongoing quality monitoring process, a potential issue was detected that may affect specific QO Plug-On Neutral Load Centers manufactured between February 1, 2020 and January 12, 2022 at Schneider Electric Plant 15. The issue detected is a loose neutral screw connection within the QO Plug-On Neutral Load Center. If that connection is loose, the affected load center can overheat, increasing the risk of a fire. Refer to Schneider Electric’s recall number 22-159 at cpsc.gov. The load center can overheat, increasing the risk of a fire. There is a potential risk for property damage and personal injury. There may be no warning that precedes this. The cause is a loose neutral screw connection within the QO Plug-On Neutral Load Center. The affected item is the Square D QO Plug-On Neutral Load Centers. WHAT ARE WE DOING ABOUT THE PROBLEM? Schneider Electric will notify affected customers and ask them to inspect product to determine if it’s affected by the recall. All purchasers and installers should immediately contact Schneider Electric to arrange to have the affected recalled load centers inspected by trained electricians to determine if replacement or repair is required. Affected OEMs will notify vehicle purchasers. The inspection and any resulting replacement or repair are free of charge by Schneider Electric. This will be covered under the normal warranty process. Vehicles subject to this recall are to be inspected and repaired by an E-ONE certified dealer or technician. E-ONE will compensate the dealer for the repairs. The repair will take approximately 1 hour. WHAT SHOULD YOU DO? If you receive this notification, please contact your E-ONE Dealer or E-ONE at 1-352-237-1122 to schedule an appointment to have the repairs performed. INCLUDED WITH THIS LETTER IS AN OWNER RESPONSE CARD THAT MUST BE FILLED OUT AND RETURNED TO E-ONE IN ORDER TO BE REIMBURSED. Please have your Truck VIN available. After your repair has been completed, please fill in the appropriate information on the enclosed Owner Response Postcard, sign it, and mail it to: E-ONE, 1601 SW 37th Ave, Ocala, FL, 34474. If you prefer to contact E-ONE directly, feel free to contact our Customer Service at 1-352-237-1122. Please have your Truck VIN available. WHAT IF YOU NO LONGER OWN THIS E-ONE – 2020 Commercial, 2019-2021 Cyclone 2, 2021 Cyclone N, 2020 Quest 2, 2020-2021 Typhoon, 2020-2022 Typhoon N? If you no longer the current owner of the vehicle, please indicate this on the Owner Response Postcard and return the card to E-ONE, 1601 SW 37th Ave, Ocala, FL, 34474. WHO SHOULD YOU CONTACT IF YOU HAVE FURTHER QUESTIONS OR CONCERNS? If you have any questions or concerns, please contact E-ONE Customer Service at 1-352-237-1122. Please have your Truck VIN available. If you are the lessor of this vehicle, please forward a copy of this notice to the lessee within ten days to comply with federal regulations If you have already paid to have your E-ONE – 2020 Commercial, 2019-2021 Cyclone 2, 2021 Cyclone N, 2020 Quest 2, 2020-2021 Typhoon, 2020-2022 Typhoon N repaired for this condition, you may be eligible for reimbursement of the charges you paid for the repair or replacement of components. To learn more about what you need to do to obtain reimbursement call E-ONE Customer Service at 1-352-237-1122 and instructions will be provided. Please have your Truck VIN available. If after having attempted to take advantage of this recall you believe you have not been able to have your E-ONE – 2020 Commercial, 2019-2021 Cyclone 2, 2021 Cyclone N, 2020 Quest 2, 2020-2021 Typhoon, 2020-2022 Typhoon N remedied without charge and within a reasonable amount of time, you may submit a complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Ave., S.E., Washington, D.C., 20590; or call the toll-free Vehicle Safety Hotline at 1- 888-327-4236 (TTY: 1-800-424-9153); or go to http://www.safercar.gov. We apologize for any inconvenience this safety recall may cause, but your safety is our first concern. Sincerely, E-ONE, Inc. E-ONE NOTIFICATION PROGRAM 22V-538 Owner Response Postcard VIN: X UNIT: 1xxxxx  This vehicle was inspected and repaired according to instructions.  This vehicle was inspected and determined to not need repair.  This vehicle was sold to: ____________________________________ (Name) ____________________________________ (Address) ____________________________________ (City, State/ZIP)  This vehicle was stolen.  This vehicle was destroyed. __________________________________________ Owner’s (or Former Owner’s) Signature __________________________________________ Date Signed Insert Customer Name Insert Customer Address Insert City, ST Zip

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-538 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : E-One Incorporated Submission Date : JUL 26, 2022 NHTSA Recall No. : 22V-538 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : E-One Incorporated Address : 1601 S.W. 37TH AVENUE Ocala FL 34474 Company phone : (904) 237-1122 Population : Number of potentially involved : 78 Estimated percentage with defect : 99 % Vehicle Information : Vehicle 1 : 2020-2022 E-ONE Commercial, Cyclone 2, Cyclone N, Quest 2, Typhoon, Typhoon N Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : All units involve, indoor, outdoor and original equipment manufacturer (OEM) Square D QO Plug-On Neutral Load Centers that were installed on vehicles. The circuit breaker boxes were sold in gray and come in various sizes (square and rectangular). Affected products were manufactured between February 1, 2020 and January 12, 2022, with date codes between 200561 and 220233. Plant 15 is the only plant impacted and all other plant codes are not affected. A complete list of affected catalog numbers, date code description, and inspection instructions were provided. This recall is based on information supplied by Schneider Electric. Schneider Electric provided a list of Square D PO and Part Numbers that may be affected. Spartan pulled a population by the Schneider Electric part number and PO to determine the affected list. The emergency response vehicles affected by this recall are equipped with Square D QO Plug-On Neutral Load Centers supplied by Schneider Electric. QTY: 2 – 2019 Cyclone 2 vehicles are affected QTY: 3 – 2020 Commercial vehicles are affected QTY: 11 – 2020 Cyclone 2 vehicles are affected QTY: 3 – 2020 Quest 2 vehicles are affected QTY: 22 – 2020 Typhoon vehicles are affected QTY: 4 – 2020 Typhoon N vehicles are affected QTY: 8 – 2021 Cyclone 2 vehicles are affected QTY: 6 – 2021 Cyclone N vehicles are affected QTY: 4 – 2021 Typhoon vehicles are affected QTY: 14 – 2021 Typhoon N vehicles are affected QTY: 1 – 2022 Typhoon N vehicles are affected Production Dates : FEB 12, 2020 – JAN 12, 2022 VIN Range 1 : Begin : 1NKBHJ8X1LR415089 End : 4ENLAHA87M2004084 ✔ Not sequential Part 573 Safety Recall Report 22V-538 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Defect : Description of the Defect : As part of Schneider Electric’s ongoing quality monitoring process, a potential issue was detected that may affect specific QO Plug-On Neutral Load Centers manufactured between February 1, 2020 and January 12, 2022 at Schneider Electric Plant 15. The issue detected is a loose neutral screw connection within the QO Plug-On Neutral Load Center. If that connection is loose, the affected load center can overheat, posing thermal burn and fire hazards. Refer to Schneider Electric’s recall number 22-159 at cpsc.gov. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : The load center can overheat, posing thermal burn and fire hazards. There is a potential risk for property damage and personal injury. Description of the Cause : Loose neutral screw connection within the QO Plug-On Neutral Load Center. Identification of Any Warning that can Occur : None Involved Components : Component Name 1 : Square D QO Plug-On Neutral Load Centers Component Description : Load Centers, Breaker Boxes, Electrical Panels Component Part Number : QO112L125PG / QO116L125PG / QO130L200PG Supplier Identification : Component Manufacturer Name : Schneider Electric Address : 800 Federal Street Andover Massachusetts 01810 Country : United States Chronology : Refer to Recall 22-159 by the Consumer Product Safety Commission (“CPSC”) for Schneider Electric’s chronology. On July 14, 2022, E-ONE received communication from Schneider Electric about CPSC recall 22-159 for their Part 573 Safety Recall Report 22V-538 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Square D. Reviewed potential population. Escalated the issue to REV Group Management. July 22, 2022 – REV’s senior leadership approved a voluntary recall for this issue. Description of Remedy : Description of Remedy Program : Schneider Electric will notify affected customers and ask them to inspect product to determine if it’s affected by the recall. All purchasers and installers should immediately contact Schneider Electric to arrange to have the affected recalled load centers inspected by trained electricians to determine if replacement or repair is required. Affected OEMs will notify vehicle purchasers. The inspection and any resulting replacement or repair are free of charge by Schneider Electric. This will be covered under the normal warranty process. The repair will take approximately 1 hour. How Remedy Component Differs from Recalled Component : Existing inventory with date codes prior to January 13, 2022 has been validated and is marked with a green dot to indicate compliance with Schneider Electric design and manufacturing standards. Any product marked with a green dot on the carton is excluded from this notice. Identify How/When Recall Condition was Corrected in Production : This nonconformity has been contained at Schneider Electric manufacturing plants, distribution centers and product adaptation locations. All QO Plug-On Neutral Load Centers produced after January 12, 2022 are conforming to Schneider Electric design and manufacturing standards. Recall Schedule : Description of Recall Schedule : 1) Email dealers a copy of the Recall approximately 1 week before customers. 2) Mail customers the recall Planned Dealer Notification Date : AUG 08, 2022 – AUG 15, 2022 Planned Owner Notification Date : AUG 22, 2022 – AUG 29, 2022 * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 22V-538 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : E-One Incorporated Submission Date : AUG 18, 2022 NHTSA Recall No. : 22V-538 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : E-One Incorporated Address : 1601 S.W. 37TH AVENUE Ocala FL 34474 Company phone : (904) 237-1122 Population : Number of potentially involved : 78 Estimated percentage with defect : 99 % Vehicle Information : Vehicle 1 : 2019-2022 E-ONE Commercial, Cyclone 2, Cyclone N, Quest 2, Typhoon, Typhoon N Vehicle Type : BUSES, MEDIUM & HEAVY VEHICLES Body Style : OTHER Power Train : DIESEL Descriptive Information : All units involve, indoor, outdoor and original equipment manufacturer (OEM) Square D QO Plug-On Neutral Load Centers that were installed on vehicles. The circuit breaker boxes were sold in gray and come in various sizes (square and rectangular). Affected products were manufactured between February 1, 2020 and January 12, 2022, with date codes between 200561 and 220233. Plant 15 is the only plant impacted and all other plant codes are not affected. A complete list of affected catalog numbers, date code description, and inspection instructions were provided. This recall is based on information supplied by Schneider Electric. Schneider Electric provided a list of Square D PO and Part Numbers that may be affected. Spartan pulled a population by the Schneider Electric part number and PO to determine the affected list. The emergency response vehicles affected by this recall are equipped with Square D QO Plug-On Neutral Load Centers supplied by Schneider Electric. QTY: 2 – 2019 Cyclone 2 vehicles are affected QTY: 3 – 2020 Commercial vehicles are affected QTY: 11 – 2020 Cyclone 2 vehicles are affected QTY: 3 – 2020 Quest 2 vehicles are affected QTY: 22 – 2020 Typhoon vehicles are affected QTY: 4 – 2020 Typhoon N vehicles are affected QTY: 8 – 2021 Cyclone 2 vehicles are affected QTY: 6 – 2021 Cyclone N vehicles are affected QTY: 4 – 2021 Typhoon vehicles are affected QTY: 14 – 2021 Typhoon N vehicles are affected QTY: 1 – 2022 Typhoon N vehicles are affected Production Dates : FEB 12, 2020 – JAN 12, 2022 VIN Range 1 : Begin : 1NKBHJ8X1LR415089 End : 4ENLAHA87M2004084 ✔ Not sequential Part 573 Safety Recall Report 22V-538 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Defect : Description of the Defect : As part of Schneider Electric’s ongoing quality monitoring process, a potential issue was detected that may affect specific QO Plug-On Neutral Load Centers manufactured between February 1, 2020 and January 12, 2022 at Schneider Electric Plant 15. The issue detected is a loose neutral screw connection within the QO Plug-On Neutral Load Center. If that connection is loose, the affected load center can overheat, posing thermal burn and fire hazards. Refer to Schneider Electric’s recall number 22-159 at cpsc.gov. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : The load center can overheat, posing thermal burn and fire hazards. There is a potential risk for property damage and personal injury. Description of the Cause : Loose neutral screw connection within the QO Plug-On Neutral Load Center. Identification of Any Warning that can Occur : None Involved Components : Component Name 1 : Square D QO Plug-On Neutral Load Centers Component Description : Load Centers, Breaker Boxes, Electrical Panels Component Part Number : QO112L125PG / QO116L125PG / QO130L200PG Supplier Identification : Component Manufacturer Name : Schneider Electric Address : 800 Federal Street Andover Massachusetts 01810 Country : United States Chronology : Refer to Recall 22-159 by the Consumer Product Safety Commission (“CPSC”) for Schneider Electric’s chronology. On July 14, 2022, E-ONE received communication from Schneider Electric about CPSC recall 22-159 for their Part 573 Safety Recall Report 22V-538 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Square D. Reviewed potential population. Escalated the issue to REV Group Management. July 22, 2022 – REV’s senior leadership approved a voluntary recall for this issue. Description of Remedy : Description of Remedy Program : Schneider Electric will notify affected customers and ask them to inspect product to determine if it’s affected by the recall. All purchasers and installers should immediately contact Schneider Electric to arrange to have the affected recalled load centers inspected by trained electricians to determine if replacement or repair is required. Affected OEMs will notify vehicle purchasers. The inspection and any resulting replacement or repair are free of charge by Schneider Electric. This will be covered under the normal warranty process. The repair will take approximately 1 hour. How Remedy Component Differs from Recalled Component : Existing inventory with date codes prior to January 13, 2022 has been validated and is marked with a green dot to indicate compliance with Schneider Electric design and manufacturing standards. Any product marked with a green dot on the carton is excluded from this notice. Identify How/When Recall Condition was Corrected in Production : This nonconformity has been contained at Schneider Electric manufacturing plants, distribution centers and product adaptation locations. All QO Plug-On Neutral Load Centers produced after January 12, 2022 are conforming to Schneider Electric design and manufacturing standards. Recall Schedule : Description of Recall Schedule : 1) Email dealers a copy of the Recall approximately 1 week before customers. 2) Mail customers the recall Planned Dealer Notification Date : AUG 08, 2022 – AUG 15, 2022 Planned Owner Notification Date : AUG 22, 2022 – AUG 29, 2022 * NR – Not Reported

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