How should I connect the 220 wiring to our oven if the instructions say to connect red to red but there is no red in the junction box?
Asked by Austin King 
2 months ago
Last Updated: July 29, 2024
I’m in the process of installing the oven and dealing with the wiring. The 220 wiring has black, green, and white wires, but the conduit has red, green, black, and white wires. According to the instructions, I should connect the red wire with the other red wire, but I’m not sure what to do because there’s no other red wire in the junction box. Any ideas on how to proceed?
Have you looked into which colors are active? It seems like you’re dealing with a 110 outlet.
The black and white wires are live wires
Ai:
In this situation, it’s best to connect the red wire from the conduit to the black wire in the junction box. Typically, the red wire is used as a hot wire for 220-volt circuits, similar to the black wire. Connect the red wire from the conduit to the black wire in the junction box, link the green wires for grounding, and the white wires for neutral. Always refer to the wiring diagram and adhere to local electrical codes.
Um No. Currently, the white wire in the house is a live wire, not a neutral one. In older 220 wiring, both the black and white wires were used as live wires, with no neutral wire. At least that’s how it’s done in the USA – other countries may vary.
I would recommend double-checking that your wiring can handle your new oven. It’s worth confirming that your wiring has black and white wires as hot wires without a separate neutral. Here’s more information: https://www.doityourself.com/stry/3-wire-vs-4-wire-for-220v-wiring#:~:text=Regarding%20220V%20wiring%2C%20there%20are,%2Dwire%20and%20four%2Dwire.
https://speedyelectricac.com/whats-the-difference-between-110v-and-220v/#:~:text=With%20220v%20wiring%2C%20both%20three,the%20neutral%20or%20common%20wire.
Send some pictures! If you can, use a volt meter for even more accuracy.
The best thing to do would be to upgrade the home run with four wires. Your new range needs a separate neutral and ground, not a combined neutral-ground. The black and red wires are hot, the white wire is neutral, and the green wire is the ground in a four-wire setup. In a three-wire setup, the black and white wires are hot, and the green wire is the ground.