23E059 – Cracked D-ring in 30-Amp Inlet May Cause Failure – SmartPlug 30A Shore Power Inlets

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7-24-23 Dear SmartPlug Aftermarket Partner: On Friday, July 24, 2023, we were alerted to a part in the field that did not meet our performance expectations. Upon further inspection, and an audit of the production line and component inventory, we concluded that the Mfging process used by one of our vendors to manufacture our D-rings, could cause a stress build up within the part. This build-up can lead to cracking and /or the failure of the D-ring. We determined that this issue is significant enough that we are requesting a complete recall of any and all product that was built with the suspect part. Please note: This return only impacts 16A and 30A inlets, BF16 and BF30 cords plug kits and any SKU that contains those items. SEE ATTACHED SKU LIST. In addition, any product from this list you shipped to customers in the last 30 days should be called back and sent to SmartPlug as part of this re-work. This requires immediate action on your part to remove any of the following SKU from your inventory and ship back to SmartPlug (using our UPS account) with much urgency. We have developed a re-work and re-ship plan that should get product back to you in a few weeks. An RGA will be issued to you for return of these items, and we will re-ship the product to you once it is again to spec. Customer Service will be contacting you for directions and paperwork requirements to make this a smooth transaction. SmartPlug is committed to quality products and stands behind everything we sell. This material shortfall was not anticipated and will drive additional QC actions from us and our vendor community in the future. Thank you for your immediate attention to this pressing matter. Please contact me or Ron Bailey if you require additional information., Tony Barber CEO SmartPlug System tbarber@smartplug.com O: 206-285-2990 Innovations in Power Delivery PARTS THAT ARE IMPACTED, SEE LIST BELOW Tony Barber CEO SmartPlug System tbarber@smartplug.com O: 206-285-2990 Innovations in Power Delivery

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23E-059 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : SmartPlug Systems, LLC Submission Date : AUG 03, 2023 NHTSA Recall No. : 23E-059 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : SmartPlug Systems, LLC Address : 2500 Westlake Ave North Suite G Seattle WA 98109 Company phone : 206 285-2990 Population : Number of potentially involved : 1,248 Estimated percentage with defect : 2 % Equipment Information : Brand / Trade 1 : SmartPlug Systems, LLC Model : 30A Shore Power Inlet Part No. : BM30xx Size : NR Function : NR Descriptive Information : All 30A Product that used the Manganese-Bronze D-ring. Product not in the Recall uses a Aluminum D-ring. Part Numbers – B30ASSYNT, B30ASSYPB, B30ASSYPW,BF30,R30303-BM30P, C30503BM30PB,BM30NT,BM30PB,BM30PW, BM30PG,105010601041,105010301041,105010302041,105010401041,105030 201041, Production Dates : MAY 29, 2023 – JUL 21, 2023 Description of Defect : Description of the Defect : The defective part is a Manganese-Bronze D-ring used in the 30A Products. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the D-ring cracks or fials, the electrical connections to the inlet could be jeopardized. This could lead to arching on the Pins, create corrosion and eventually the loss of power to the RV. Description of the Cause : Excessive torque on the set screws, stress relief in the part, causing cracking. Identification of Any Warning that can Occur : an early warning could be discoloration on the electrical Pins, or a heat build up on the inlet connector, or the loss of power to the coach. Involved Components : Part 573 Safety Recall Report 23E-059 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name : D-Ring Component Description : Componet that hold the Electrical Wire to the Electrical Pin Component Part Number : 30110-7134 Supplier Identification : Component Manufacturer Name : The Federal Group USA Address : 102 NE 2nd Street Suite 211 Boca Raton Florida 33432 Country : United States Chronology : On July 17th we received a warranty call from a consumer who had purchased an inlet and was installing it on his RV. During the installation he noticed the D-ring failure. He called our warranty line and spoke with one of our tech’s. On July 20th we received and email from Airstream stating that they were seeing failures on their production line. After reviewing the photo’s from both the consumer and Airstream we decided to pull the product from the shelf and ran a series of tests. The initial tests did not show the failures that we saw at airstream or with the consumer. We next set up a series of accelerated testing. During this testing we discovered the failure that we saw in the photos. We put all 30A Products on hold, quarantined all products until we completed furtehr testing. The additional testing showed more issues which lead to the decision to recall all product that used the Manganese-Bronze D-rings. The initial tests completed were a series of excessive torgue tests. in these tests we increased the torque in increments reaching a maxiumu torque of 100 in -Lbs. The parts were left under load and examined after 24 hours. After that was completed the parts were then subjected to accelerated test that consisted of freezing and quenching parts to simulate years of performance in extreme weather conditions. These tests were run starting July 20th. Part 573 Safety Recall Report 23E-059 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : We are able to trace who received product and how many they received based on the manufacture date. We have been able to link the P.O. , the Production Build, and the product shipment information and determined who received it. A substantial portion of the product went to our OEM Customers who were able to return the product back to us for Credit, (most of the product never got to the public). For the remaining product that went to the aftermarket we have contacted each customer who received product that was manufactured during the time fram when we used the Manganese-Bronze D-Ring and been asked to quarantine that product in their organization and return it for credit. There are a few customers where the product did reach the public. Those customers are working on contacting their customers and informing them of the situation. We have agreed to pay for the freight to return product they had in inventory, and pay for the replacement costs for the product that made it to the public. We are working with each customer to compensate them for their costs incurred and their efforts to find and remove product from the field. How Remedy Component Differs from Recalled Component : The difference is the color of the D-Ring. The Aluminum D-Ring is a Silver color and the Manganese Bronze is Bronze color. We included photos and imagines to our customers to help them differentiate between the two materials. Identify How/When Recall Condition was Corrected in Production : As of July 24th, We are no longer manufacturing product with the Bronze D-ring. W e moved back to our previous design. Recall Schedule : Description of Recall Schedule : Process Started on July 24th- This is when we started contacting customers. Process was Completed on July 27th. Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : NR – NR Purchaser Information : The following manufacturers purchased this defective/noncompliant equipment for possible use or installation in new motor vehicles or new items of motor vehicle equipment: Name : NR Address : NR NR Country : NR Company Phone : NR * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23E-059 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : SmartPlug Systems, LLC Submission Date : AUG 01, 2023 NHTSA Recall No. : 23E-059 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : SmartPlug Systems, LLC Address : 2500 Westlake Ave North Suite G Seattle WA 98109 Company phone : 206 285-2990 Population : Number of potentially involved : 1,248 Estimated percentage with defect : 2 % Equipment Information : Brand / Trade 1 : SmartPlug Systems, LLC Model : 30A Shore Power Inlet Part No. : BM30xx Size : NR Function : NR Descriptive Information : All 30A Product that used the Manganese-Bronze D-ring. Product not in the Recall uses a Aluminum D-ring. Part Numbers – B30ASSYNT, B30ASSYPB, B30ASSYPW,BF30,R30303-BM30P, C30503BM30PB,BM30NT,BM30PB,BM30PW, BM30PG,105010601041,105010301041,105010302041,105010401041,105030 201041, Production Dates : MAY 29, 2023 – JUL 21, 2023 Description of Defect : Description of the Defect : The defective part is a Manganese-Bronze D-ring used in the 30A Products. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the D-ring cracks or fials, the electrical connections to the inlet could be jeopardized. This could lead to arching on the Pins, create corrosion and eventually the loss of power to the RV. Description of the Cause : Excessive torque on the set screws, stress relief in the part, causing cracking. Identification of Any Warning that can Occur : an early warning could be discoloration on the electrical Pins, or a heat build up on the inlet connector, or the loss of power to the coach. Involved Components : Part 573 Safety Recall Report 23E-059 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name : D-Ring Component Description : Componet that hold the Electrical Wire to the Electrical Pin Component Part Number : 30110-7134 Component Name : NR Component Description : NR Component Part Number : NR Supplier Identification : Component Manufacturer Name : The Federal Group USA Address : 102 NE 2nd Street Suite 211 Boca Raton Florida 33432 Country : United States Chronology : On July 17th we received a warranty call from a consumer who had purchased an inlet and was installing it on his RV. During the installation he noticed the D-ring failure. He called our warranty line and spoke with one of our tech’s. On July 20th we received and email from Airstream stating that they were seeing failures on their production line. After reviewing the photo’s from both the consumer and Airstream we decided to pull the product from the shelf and ran a series of tests. The initial tests did not show the failures that we saw at airstream or with the consumer. We next set up a series of accelerated testing. During this testing we discovered the failure that we saw in the photos. We put all 30A Products on hold, quarantined all products until we completed furtehr testing. The additional testing showed more issues which lead to the decision to recall all product that used the Manganese-Bronze D-rings. The initial tests completed were a series of excessive torgue tests. in these tests we increased the torque in increments reaching a maxiumu torque of 100 in -Lbs. The parts were left under load and examined after 24 hours. After that was completed the parts were then subjected to accelerated test that consisted of freezing and quenching parts to simulate years of performance in extreme weather conditions. These tests were run starting July 20th. Part 573 Safety Recall Report 23E-059 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : We are able to trace who received product and how many they received based on the manufacture date. We have been able to link the P.O. , the Production Build, and the product shipment information and determined who received it. A substantial portion of the product went to our OEM Customers who were able to return the product back to us for Credit, (most of the product never got to the public). For the remaining product that went to the aftermarket we have contacted each customer who received product that was manufactured during the time fram when we used the Manganese-Bronze D-Ring and been asked to quarantine that product in their organization and return it for credit. There are a few customers where the product did reach the public. Those customers are working on contacting their customers and informing them of the situation. We have agreed to pay for the freight to return product they had in inventory, and pay for the replacement costs for the product that made it to the public. We are working with each customer to compensate them for their costs incurred and their efforts to find and remove product from the field. How Remedy Component Differs from Recalled Component : The difference is the color of the D-Ring. The Aluminum D-Ring is a Silver color and the Manganese Bronze is Bronze color. We included photos and imagines to our customers to help them differentiate between the two materials. Identify How/When Recall Condition was Corrected in Production : As of July 24th, We are no longer manufacturing product with the Bronze D-ring. W e moved back to our previous design. Recall Schedule : Description of Recall Schedule : Process Started on July 24th- This is when we started contacting customers. Process was Completed on July 27th. Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : NR – NR Purchaser Information : The following manufacturers purchased this defective/noncompliant equipment for possible use or installation in new motor vehicles or new items of motor vehicle equipment: Name : NR Address : NR NR Country : NR Company Phone : NR * NR – Not Reported

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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23E-059 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : SmartPlug Systems, LLC Submission Date : AUG 08, 2023 NHTSA Recall No. : 23E-059 Manufacturer Recall No. : NR Manufacturer Information : Manufacturer Name : SmartPlug Systems, LLC Address : 2500 Westlake Ave North Suite G Seattle WA 98109 Company phone : 206 285-2990 Population : Number of potentially involved : 1,248 Estimated percentage with defect : 2 % Equipment Information : Brand / Trade 1 : SmartPlug Systems, LLC Model : 30A Shore Power Inlet Part No. : BM30xx Size : NR Function : NR Descriptive Information : All 30A Product that used the Manganese-Bronze D-ring. Product not in the Recall uses a Aluminum D-ring. Part Numbers – B30ASSYNT, B30ASSYPB, B30ASSYPW,BF30,R30303-BM30P, C30503BM30PB,BM30NT,BM30PB,BM30PW, BM30PG,105010601041,105010301041,105010302041,105010401041,105030 201041, Production Dates : MAY 29, 2023 – JUL 21, 2023 Description of Defect : Description of the Defect : The defective part is a Manganese-Bronze D-ring used in the 30A Products. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If the D-ring cracks or fials, the electrical connections to the inlet could be jeopardized. This could lead to arching on the Pins, create corrosion and eventually the loss of power to the RV. Description of the Cause : Excessive torque on the set screws, stress relief in the part, causing cracking. Identification of Any Warning that can Occur : an early warning could be discoloration on the electrical Pins, or a heat build up on the inlet connector, or the loss of power to the coach. Involved Components : Part 573 Safety Recall Report 23E-059 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name : D-Ring Component Description : Componet that hold the Electrical Wire to the Electrical Pin Component Part Number : 30110-7134 Supplier Identification : Component Manufacturer Name : The Federal Group USA Address : 102 NE 2nd Street Suite 211 Boca Raton Florida 33432 Country : United States Chronology : On July 17th we received a warranty call from a consumer who had purchased an inlet and was installing it on his RV. During the installation he noticed the D-ring failure. He called our warranty line and spoke with one of our tech’s. On July 20th we received and email from Airstream stating that they were seeing failures on their production line. After reviewing the photo’s from both the consumer and Airstream we decided to pull the product from the shelf and ran a series of tests. The initial tests did not show the failures that we saw at airstream or with the consumer. We next set up a series of accelerated testing. During this testing we discovered the failure that we saw in the photos. We put all 30A Products on hold, quarantined all products until we completed furtehr testing. The additional testing showed more issues which lead to the decision to recall all product that used the Manganese-Bronze D-rings. The initial tests completed were a series of excessive torgue tests. in these tests we increased the torque in increments reaching a maxiumu torque of 100 in -Lbs. The parts were left under load and examined after 24 hours. After that was completed the parts were then subjected to accelerated test that consisted of freezing and quenching parts to simulate years of performance in extreme weather conditions. These tests were run starting July 20th. Part 573 Safety Recall Report 23E-059 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Description of Remedy : Description of Remedy Program : We are able to trace who received product and how many they received based on the manufacture date. We have been able to link the P.O. , the Production Build, and the product shipment information and determined who received it. A substantial portion of the product went to our OEM Customers who were able to return the product back to us for Credit, (most of the product never got to the public). For the remaining product that went to the aftermarket we have contacted each customer who received product that was manufactured during the time fram when we used the Manganese-Bronze D-Ring and been asked to quarantine that product in their organization and return it for credit. There are a few customers where the product did reach the public. Those customers are working on contacting their customers and informing them of the situation. We have agreed to pay for the freight to return product they had in inventory, and pay for the replacement costs for the product that made it to the public. We are working with each customer to compensate them for their costs incurred and their efforts to find and remove product from the field. How Remedy Component Differs from Recalled Component : The difference is the color of the D-Ring. The Aluminum D-Ring is a Silver color and the Manganese Bronze is Bronze color. We included photos and imagines to our customers to help them differentiate between the two materials. Identify How/When Recall Condition was Corrected in Production : As of July 24th, We are no longer manufacturing product with the Bronze D-ring. W e moved back to our previous design. Recall Schedule : Description of Recall Schedule : Process Started on July 24th- This is when we started contacting customers. Process was Completed on July 27th. Planned Dealer Notification Date : AUG 01, 2023 – AUG 11, 2023 Planned Owner Notification Date : AUG 01, 2023 – AUG 31, 2023 Purchaser Information : The following manufacturers purchased this defective/noncompliant equipment for possible use or installation in new motor vehicles or new items of motor vehicle equipment: Name : Airstream, Inc Address : 1001 West Pike Street Jackson Center OH 45334 Country : US Company Phone : 937 5966111 Part 573 Safety Recall Report 23E-059 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 Name : ARI-Legacy Sleeper Address : 860 North Tuscany Drive Shipshewana IN 46565 Country : US Company Phone : 2607684704 Name : Chinook RV Address : 1482 N.Eel River Cemetery Road Peru IN 46970 Country : US Company Phone : 574 5843756 Name : Coach House, Inc Address : 3480 Technology Drive Nokomis FL 34275 Country : US Company Phone : 941 4850984 Name : David Carter & Associates Address : 2432 Century Drive Goshen IN 46528 Country : US Company Phone : 5746420627 Name : EarthRoamer, LLC Address : 5073 Silver Peak Ave Unit #3 Dacono CO 80514 Country : US Company Phone : 3038337330 Name : Embassy Specialty Vehicles, LLC Address : 2104 Aeroplex Drive North Suite 101 Elkhart IN 46514 Country : US Company Phone : 5743333733 Name : Grit Overland Address : 3612 P. Street Washougal WA 98661 Country : US Company Phone : 3609104882 Part 573 Safety Recall Report 23E-059 Page 5 The information contained in this report was submitted pursuant to 49 CFR §573 Name : Just Roaming LLC Address : 33505 SE 6th Street Washougal WA 98671 Country : US Company Phone : 3156942907 Name : Waldoch Luxury Address : 13821 Lake Drive NE Forest Lake MN 55025 Country : US Company Phone : 6512879639 Name : Best RV and Truck Supply Address : 818 N. Ouida Street Enterprise AL 36330 Country : US Company Phone : 3344060653 Name : Etrailer Address : 1507 E Highway A Wentzville MN 63385 Country : US Company Phone : 6368879343 Name : Meyer Distributing Address : 560 E. 25th Street Jasper OH 47546 Country : US Company Phone : 8124817575 Name : Northern Wholesale Supply Inc. Address : 6800 Otter lake Road Lino Lakes, MN 55038 Country : US Company Phone : 9524529520 Name : Techno RV Address : 2421 Raymond Tanner Road Theodore AL 36582 Country : US Company Phone : 8663247915 * NR – Not Reported

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INV00003722 6/19/2023 Chinook RV OEM Completed INV00003780 6/28/2023 Chinook RV OEM Completed INV00003720 6/19/2023 COACH HOUSE, INC. RV OEM Completed INV00003716 6/15/2023 Dave Carter & Associates RV OEM Completed INV00003727 6/19/2023 Dave Carter & Associates RV OEM Completed INV00003734 6/20/2023 Dave Carter & Associates RV OEM Completed SO003154 6/9/2023 Dave Carter & Associates RV OEM Completed SO003214 6/27/2023 Dave Carter & Associates RV OEM Completed INV00003728 6/19/2023 EarthRoamer LLC RV OEM Completed INV00003624 5/30/2023 Embassy RV RV OEM Completed INV00003628 5/30/2023 Embassy RV RV OEM Completed INV00003764 6/26/2023 Embassy RV RV OEM Completed INV00003765 6/26/2023 Embassy RV RV OEM Completed INV00003737 6/20/2023 Grit Overland RV OEM Completed INV00003614 5/30/2023 Just Roaming LLC RV OEM Completed INV00003619 5/30/2023 Waldoch Luxury RV OEM Completed Completed Date Customer Ref ProductCode Quantity 5/31/2023 13:11 PO: 35152 B30ASSY-NT 4 5/31/2023 13:11 PO: 35152 B30ASSY-PB 1 5/31/2023 13:11 PO: 35152 B30ASSY-PW 1 5/31/2023 13:11 PO: 35152 BF30 2 6/8/2023 8:56 PO: 836580 B30ASSY-NT 10 6/19/2023 10:34 PO: 836556 B30ASSY-NT 10 6/19/2023 10:34 PO: 836556 R30303-BM30PB 4 6/27/2023 7:27 PO: 909078 B30ASSY-PW 6 7/17/2023 PO:920191 BM30NT 12 6/1/2023 7:32 PO: 0000927154 BF30 60 6/1/2023 7:32 PO: 0000927154 BM30NT 12 6/19/2023 10:54 PO: 0000929791 B30ASSY-PB 30 6/21/2023 13:24 PO: 0000929442 B30ASSY-NT 60 6/21/2023 13:24 PO: 0000929442 BM30NT 12 7/11/2023 PO: Q05503 B30ASSYPB 12 7/11/2023 PO: Q05503 B30ASSYPW 6 7/11/2023 PO: Q05503 C30503BM30PB 3 6/28/2023 13:34 PO: 354054 B30ASSY-NT 36 6/28/2023 14:18 PO: 354055 B30ASSY-NT 12 6/28/2023 14:18 PO: 354055 B30ASSY-PB 36 6/28/2023 13:34 PO: Q04797 B30ASSY-PW 12 6/28/2023 13:34 PO: 354054 BM30NT 24 6/20/2023 8:45 PO: 256948 BF30 12 6/20/2023 8:45 PO: 256948 BM30PW 6 6/28/2023 13:34 PO: TRV-SMP-TRV97690 BF30 2 385 CompletedDate CustomerRef ProductCode Quantity 6/19/2023 10:34 PO: 84751 105010601041 24 6/5/2023 11:42 PO: 0020931293 105010301041 24 6/5/2023 11:41 PO: BCM0929113 105010301041 160 6/5/2023 11:42 PO: 0020931293 105010601041 6 7/12/2023 PO:100935441 105010302041 120 6/28/2023 14:16 PO: 0100931664 105010302041 120 6/19/2023 10:33 PO: 0100926084 105010301041 120 6/28/2023 13:34 PO: TCM0936188 105010601041 50 6/20/2023 8:23 PO: 2361 105010401041 12 6/28/2023 13:34 PO: 2432 105010401041 12 6/20/2023 8:23 PO: 2231737 105010301041 12 6/19/2023 10:33 PO: 247681 105010401041 38 6/20/2023 8:23 PO: 248126 105010401041 27 6/20/2023 13:01 PO: 248604 105010401041 20 7/17/2023 PO:249216 105010401041 40 7/18/2023 PO:249839 105010401041 4 6/20/2023 8:23 PO: 0047146 105010401041 5 5/31/2023 8:22 PO: 9454 105010601041 4 5/31/2023 8:22 PO: 9225 105010601041 10 6/27/2023 7:28 PO: 9678 105010601041 10 6/27/2023 7:28 PO: 9623 105010601041 3 6/21/2023 7:43 PO: 00074 105010601041 15 5/31/2023 8:22 PO: 1465 105030201041 15 5/31/2023 8:22 PO: 64753 105010501041 12 863 1248

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