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
![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
![Electrician Attaching A Wire To A 220 Volt Outlet Stock Photo, Picture and Royalty Free Image. Image 17895324. Electrician Attaching A Wire To A 220 Volt Outlet Stock Photo, Picture and Royalty Free Image. Image 17895324.](https://previews.123rf.com/images/dcwcreations/dcwcreations1302/dcwcreations130200009/17895324-electrician-attaching-a-wire-to-a-220-volt-outlet.jpg)
Electrician Attaching A Wire To A 220 Volt Outlet Stock Photo, Picture and Royalty Free Image. Image 17895324.
![I'm hoping someone can help me out. I understand that this is a 220 breaker. And 220 has two hot wires. Well today I saw a breaker like this except the red I'm hoping someone can help me out. I understand that this is a 220 breaker. And 220 has two hot wires. Well today I saw a breaker like this except the red](https://preview.redd.it/weezwfngsp951.jpg?auto=webp&s=b73599f6d9d831f66ce7f128b64bd6e541a4268d)
I'm hoping someone can help me out. I understand that this is a 220 breaker. And 220 has two hot wires. Well today I saw a breaker like this except the red
![electrical - How do you do a 220, two lives, one neutral, one ground for this type of box? - Home Improvement Stack Exchange electrical - How do you do a 220, two lives, one neutral, one ground for this type of box? - Home Improvement Stack Exchange](https://i.stack.imgur.com/AzFcf.jpg)
electrical - How do you do a 220, two lives, one neutral, one ground for this type of box? - Home Improvement Stack Exchange
![Wiring Diagram For 220 Volt Generator Plug, http://bookingritzcarlton.info/ wiring-diagram-for-22… | Outlet wiring, Electrical plug wiring, Electrical wiring diagram Wiring Diagram For 220 Volt Generator Plug, http://bookingritzcarlton.info/ wiring-diagram-for-22… | Outlet wiring, Electrical plug wiring, Electrical wiring diagram](https://i.pinimg.com/originals/5d/61/05/5d6105b9d10633940e05d1d0c4f7500c.jpg)
Wiring Diagram For 220 Volt Generator Plug, http://bookingritzcarlton.info/ wiring-diagram-for-22… | Outlet wiring, Electrical plug wiring, Electrical wiring diagram
![Wiring Diagram For 220 Volt Generator Plug, http://bookingritzcarlton.info/ wiring-diagram-for-2… | Electrical panel wiring, Outlet wiring, Electrical wiring diagram Wiring Diagram For 220 Volt Generator Plug, http://bookingritzcarlton.info/ wiring-diagram-for-2… | Electrical panel wiring, Outlet wiring, Electrical wiring diagram](https://i.pinimg.com/originals/e8/49/67/e849672d99ae19fd57ee1e4f59cbb38a.jpg)