Wiring A 220 Welder Outlet
Pull the end of the three wire cable four wires with the bare ground wire from the circuit breaker out of the wall outlet housing.
Wiring a 220 welder outlet. The primary current required by this size ac transformer type welder is about 50 amps at 230 volts. It s always best to size welder circuits and wiring based on the input current requirements of the welder. The main circuit breaker should be dead. Be sure to purchase a breaker rated at or above the required amperage for your welder the proper gauge wire for that size circuit and the appropriate outlet to match your welder s plug.
Step 2 once you ve powered off the circuit breaker snap in the 50 amp two pole breaker into the box. Welders operating at 30 to 40 input amps require a 40 amp breaker and 8 gauge wire. How to wire a 220 outlet for a welder. Since you are dealing with electrical points you must go by the book.
Most welders of the workshop buzz box type have a duty cycle which seldom exceeds 30. Look on the back of the 220 outlet that you have to find the screw that s labeled white or neutral locate the port on the side of the outlet that s directly under the neutral screw and push the end of the white wire into it. The cost of doing so is just slightly more. Before that don t go to step 2.
50 amps needs 6 gauge in romex and 8 gauge in thhn in conduit for regular circuits like ovens boilers and hot tubs. Wiring the circuit to accommodate the larger amperage unit. We recommend wiring the circuit with 8 copper or 6. This is a 220v 20 amp outlet as shown in the how to 220 volt outlet video likely to be used this for larger power tools in your garage or shop or perhaps a wall air conditioner.
Read the circuit breaker s instruction manual to find out how to hook a three wire cable into a 220v breaker. Step 1 first and foremost power off the circuit breaker and lock the handle off. For example 240 volt 40 to 50 input amp welders will require a 50 amp circuit breaker and 6 gauge wiring. Okay there s some funky monkey stuff and code when it comes to welder outlets.
But on the bright side once you master this process you will be saving so much money that would otherwise have to be paid to an electrician. Step by step guide. Wiring a 220 volt outlet can be a tad bit risky if you do not know how to go about it. If you re unsure of exactly what to buy ask for help my lincoln electric arc 225 requires a 50 amp 2 pole breaker and a three prong outlet with minimum.