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Electrical Question From Val About 220 Volt Wiring Diagram

By Dave Rongey - Summary:

Question: We have a 3 wire cord that has no color code. Can you tell me which one is black, red and white. This cord is for an electric range.

Electrical Question From Val About 220 Volt Wiring Diagram

Received from Val a Homeowner in De Soto, MO

Question: We have a 3 wire cord that has no color code. Can you tell me which one is black, red and white. This cord is for an electric range.

Dave’s Reply:
Thanks for your electrical question.

The Following links will assist you with your electrical question:
For more information about 220 Volt Wiring Diagram
220 Volt Wiring Diagram

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2 Responses to “Electrical Question From Val About 220 Volt Wiring Diagram”
  1. Dave Rongey says:

    12/2 with a ground is commonly used for a 120 volt 20 amp circuit and should be fine for an air conditioner that only pulls less than 5 amps, in fact if this will be a dedicated circuit then a 14/2 with ground which is commonly used for a 120 volt 15 amp circuit will be fine as well.
    As for the older fuse box, the configuration of power will depend on the electrical service that is being supplied to the home and the brand and type of fuse box that you have.
    At the main electrical panel the ground and neutral are bonded together and share the same terminal or buss connection strip.


  2. Roger Helgeson says:

    I want to put a wall a/c unit in the cabin. It has an old fashioned fuse box. The a/c unit is rated at 4.7 or 4.9 amps, can’t remember right now, but is a 12-3 wire big enough to handle it? Also, the fuse box has 4 round fuses in it. I know that in a modern circuit box every other one alternates being powered. Is it the same if I am looking at the fuses from left to right, that they will alternate every other one? So to get 220 I need to hook to 2 fuses right next to each other. So the black will go to one fuse, and the red to the one right next to it? In this old fusebox the neutral and ground wires share the same buss bar. So to be correct on the other end I will hook the ground wire to the green screw and then black to one of the others, and red to the remaining screw. Is this all correct? Thanks-Roger