The amp ratings of extension cords vary wildly by whose chart you look at. Is there a standard or final authority like UL or NFPA? - Quora
![Bergen Industries 100 ft. 12/3 SJTW 15 Amp/125-Volt Outdoor Triple Tap Extension Cord, Yellow OC1001233T - The Home Depot Bergen Industries 100 ft. 12/3 SJTW 15 Amp/125-Volt Outdoor Triple Tap Extension Cord, Yellow OC1001233T - The Home Depot](https://images.thdstatic.com/productImages/59a7b3ba-dc97-45ec-821e-3e0d56f67911/svn/yellow-bergen-industries-general-purpose-cords-oc1001233t-64_1000.jpg)
Bergen Industries 100 ft. 12/3 SJTW 15 Amp/125-Volt Outdoor Triple Tap Extension Cord, Yellow OC1001233T - The Home Depot
![AC WORKS 100 ft. SOOW 6/4 CS6365/CS6364 Temp Power 50 Amp Generator Extension Cord TESS2-100E - The Home Depot AC WORKS 100 ft. SOOW 6/4 CS6365/CS6364 Temp Power 50 Amp Generator Extension Cord TESS2-100E - The Home Depot](https://images.thdstatic.com/productImages/d2852db5-962c-4541-9715-8c6febc88cc9/svn/black-ac-works-general-purpose-cords-tess2-100e-64_1000.jpg)
AC WORKS 100 ft. SOOW 6/4 CS6365/CS6364 Temp Power 50 Amp Generator Extension Cord TESS2-100E - The Home Depot
![electrical - Un-conduit 3-3-3-5 CU SER feeder cable through studs for 100 amp sub panel 4 ft away - Home Improvement Stack Exchange electrical - Un-conduit 3-3-3-5 CU SER feeder cable through studs for 100 amp sub panel 4 ft away - Home Improvement Stack Exchange](https://i.stack.imgur.com/D7v8h.png)
electrical - Un-conduit 3-3-3-5 CU SER feeder cable through studs for 100 amp sub panel 4 ft away - Home Improvement Stack Exchange
![Southwire Yellow Jacket 100-ft 10 / 3-Prong Outdoor Sjtw Heavy Duty Lighted Extension Cord in the Extension Cords department at Lowes.com Southwire Yellow Jacket 100-ft 10 / 3-Prong Outdoor Sjtw Heavy Duty Lighted Extension Cord in the Extension Cords department at Lowes.com](https://mobileimages.lowes.com/productimages/e61d4f7a-7af6-4ef1-9fb5-1ef69c2d7f58/44042647.jpg?size=pdhism)
Southwire Yellow Jacket 100-ft 10 / 3-Prong Outdoor Sjtw Heavy Duty Lighted Extension Cord in the Extension Cords department at Lowes.com
![100' 4/3 SOOW SO Portable Power Cord Outdoor Durable Flexible Wire Cable 600V: Electrical Cables: Amazon.com: Tools & Home Improvement 100' 4/3 SOOW SO Portable Power Cord Outdoor Durable Flexible Wire Cable 600V: Electrical Cables: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/41GJOXQYPRL._AC_UF894,1000_QL80_.jpg)
100' 4/3 SOOW SO Portable Power Cord Outdoor Durable Flexible Wire Cable 600V: Electrical Cables: Amazon.com: Tools & Home Improvement
![I'm trying to add a 100 amp panel to my garage/shop and have some clarifying questions (Sanity check) : r/electrical I'm trying to add a 100 amp panel to my garage/shop and have some clarifying questions (Sanity check) : r/electrical](https://i.imgur.com/4rcLBFC.jpg)
I'm trying to add a 100 amp panel to my garage/shop and have some clarifying questions (Sanity check) : r/electrical
![100' 10/3 SOOW SO Portable Power Cord Cable UL Approved, 10 AWG 3 Conductor Heavy Duty Rubber Cable, 600V, Black Flexible Wire General Cable: Amazon.com: Tools & Home Improvement 100' 10/3 SOOW SO Portable Power Cord Cable UL Approved, 10 AWG 3 Conductor Heavy Duty Rubber Cable, 600V, Black Flexible Wire General Cable: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/61jbpsDFpfL._AC_UF1000,1000_QL80_.jpg)
100' 10/3 SOOW SO Portable Power Cord Cable UL Approved, 10 AWG 3 Conductor Heavy Duty Rubber Cable, 600V, Black Flexible Wire General Cable: Amazon.com: Tools & Home Improvement
![100' 4/3 SOOW SO Portable Power Cord Outdoor Durable Flexible Wire Cable 600V: Electrical Cables: Amazon.com: Tools & Home Improvement 100' 4/3 SOOW SO Portable Power Cord Outdoor Durable Flexible Wire Cable 600V: Electrical Cables: Amazon.com: Tools & Home Improvement](https://m.media-amazon.com/images/I/51ZQK9If7UL._AC_UF350,350_QL80_.jpg)
100' 4/3 SOOW SO Portable Power Cord Outdoor Durable Flexible Wire Cable 600V: Electrical Cables: Amazon.com: Tools & Home Improvement
![Southwire 100-ft 12 / 3-Prong Outdoor Sjtw Heavy Duty General Extension Cord in the Extension Cords department at Lowes.com Southwire 100-ft 12 / 3-Prong Outdoor Sjtw Heavy Duty General Extension Cord in the Extension Cords department at Lowes.com](https://mobileimages.lowes.com/productimages/11d28ed9-616a-4fc5-8e47-f22d4a689b6f/44001518.jpg?size=pdhism)