UL 62 standard cable 12AWG/3C , support max 20 Amp overload.
Test electrical function by UL & cUL standard.
Heavy-duty power adapter cord 100% copper conductor inside.
Power Adapter Cord 5-15P to L14-20P 125V/1875W
Household Regular 15 AMP 3-prong 15A 5-15P male
Generator 20 AMP Twist lock 4-prong L14-20R female
Length : 8 inch
Color : Black
If you need to connect your L14-20 Plug to 5-15 household regular 15A outlet.
This adapter cord can help you to solve your requirement.