Machine class fit sheet
Will a mig welder on a cart fit your garage?
A mig welder on a cart (our planning allowance) measures 30 x 20 in (2.5 x 1.7 ft), runs on 240V at 30 A. It fits with operator room in 6 of our 6 garage sizes, the smallest being the 12x20 one-car, and it fits with a sedan parked inside from the 12x22 one-car up.
30 x 20 infootprint
n/aweight not stated
240V30 A
n/amotor
This sheet describes a class of machine. The footprint is our planning allowance, not a single product's measurement: check the dimensions in the listing of the machine you choose.
Fit in each garage size
| Garage | Alone, operator room | Car parked, working | Car parked, stored | Share of floor |
|---|---|---|---|---|
| One-car, 12 x 20 | yes | no | no | 2% |
| One-car, 12 x 22 | yes | yes | yes | 2% |
| Two-car, 20 x 20 | yes | yes | yes | 1% |
| Two-car, 22 x 22 | yes | yes | yes | 1% |
| Two-car, 24 x 24 | yes | yes | yes | 1% |
| Three-car, 32 x 24 | yes | yes | yes | 1% |
"Operator room" keeps 36 in clear around the machine, and "stored" drops that zone, for a machine you roll out only when the car is gone. Both leave a 24 in apron in front of the overhead door and a 30 in walk-around beside any parked sedan. In a 12 x 20 ft garage with a car inside, this machine has to be stored elsewhere.
Electrical and moving it
- Circuit: 30 A at 240V on the planning allowance: a 40 A breaker and 8 AWG copper covers the 125 percent rule. Have a licensed electrician confirm.
- Moving it: weight is not stated in our sources: read the listing, then size the base with the mobile base calculator.
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Frequently asked questions
Does the mig welder on a cart fit in a one-car garage?
Yes, in a 12 x 20 ft one-car garage with no vehicle it fits with its operator zone clear and uses 2 percent of the floor. With a sedan parked inside it does not fit at all.
What circuit does the mig welder on a cart need?
It draws 30 A at 240V (planning allowance), so a 40 A breaker with 8 AWG copper covers the 125 percent rule. A licensed electrician confirms the circuit before you wire.
This page is researched guidance, not professional electrical, engineering or safety advice. Circuits, loads and clearances depend on your house, your service and your town: have a licensed electrician confirm any wiring, and check local code and each manufacturer's manual before you act.
