100 Amp Sub Panel Wire Size Chart
100 Amp Sub Panel Wire Size Chart. A lower gauge is generally safer than higher gauges. Now, you may question what you should use for your wiring installation and what are the advantages and disadvantages of one wire type from another.
Add up the square footage of all of the rooms to find the total square footage. Next, connect the main panel to the sub-panel box with the cable. For three-phase circuits, four wires are required.
One Half The Total Circuit Length.
Run black, red, white, and green wires from the sub-panel box to the main panel box.
A wire's size is what determines how much current it can safely handle. Add up the square footage of all of the rooms to find the total square footage. Three-conductor cable comprises four wires — two hot wires, a ground wire, and a neutral.
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Ronald Farrel
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