Any 14 gauge cord between 0 and 50 feet long will adequately handle loads between 10 and 15 amps.
What size wire for 50 amp welder extension cord.
Choosing the right wire size is important because some tools like saws use much more power than small hand drill and you don t want to damage your electric motors.
If your tool load is between 10 and 15 amps and the length of the cord is 50 to 100 feet you need a 12 gauge cord to safely power any tool.
It s always best to size welder circuits and wiring based on the input current requirements of the welder.
But the t designation on their jackets show a thermoplastic pvc cover.
For example 240 volt 40 to 50 input amp welders will require a 50 amp circuit breaker and 6 gauge wiring.
All you have to do is remove the 30 amp plug and receptacle ends from the cord and.
This chart breaks down how both the wire gauge and length of the extension cord affects its ability to convey power to a corded tool.
Welders operating at 30 to 40 input amps require a 40 amp breaker and 8 gauge wire.
With cable jackets having a w code rating both are suitable for outdoor use.
If your extension cord is truly a 30 amp cord then it is composed of 10 wire.
10 wire is rated at 30 amps.
For 120v welders this 10 gauge cord handles 20 amps out to 50 feet.
Sizing an extension cord is easy.