![electrical - how to wire 220v receptacle to old shop without a ground? - Home Improvement Stack Exchange electrical - how to wire 220v receptacle to old shop without a ground? - Home Improvement Stack Exchange](https://files.schpet.com/2022-05-12/IMG_8998.jpeg)
electrical - how to wire 220v receptacle to old shop without a ground? - Home Improvement Stack Exchange
If 240V appliances these days require 4 wires (line 1 & 2, neutral and ground), why doesn't 120V require this? Wouldn't most 120V appliances with metal cabinets also be safer with this
![220 Volt Plug Receptacles Configurations - AskmeDIY | Basic electrical wiring, Electrical plug wiring, Home electrical wiring 220 Volt Plug Receptacles Configurations - AskmeDIY | Basic electrical wiring, Electrical plug wiring, Home electrical wiring](https://i.pinimg.com/474x/d7/63/da/d763daf81d0c1d82fd1a0f74c6e2fe46.jpg)
220 Volt Plug Receptacles Configurations - AskmeDIY | Basic electrical wiring, Electrical plug wiring, Home electrical wiring
![Fuxell Wire Cable 220V Black Red Indoor Outdoor PVC Insulated Electrical Wire Cable 9 Meter Long: Amazon.com: Industrial & Scientific Fuxell Wire Cable 220V Black Red Indoor Outdoor PVC Insulated Electrical Wire Cable 9 Meter Long: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/513N+2ZIk5L._AC_UF1000,1000_QL80_.jpg)
Fuxell Wire Cable 220V Black Red Indoor Outdoor PVC Insulated Electrical Wire Cable 9 Meter Long: Amazon.com: Industrial & Scientific
![How to Wire a 240 Volt Outlet - DIY Install a 220 Volt Outlet - NEMA 6-20 20 AMP Circuit Breaker HD - YouTube How to Wire a 240 Volt Outlet - DIY Install a 220 Volt Outlet - NEMA 6-20 20 AMP Circuit Breaker HD - YouTube](https://i.ytimg.com/vi/wPiwXrX1GQs/maxresdefault.jpg)