Why 4 Wires Electrical Wire. Web answer (1 of 3): The neutral and ground are not bonded in the subpanel.
Always assume that a red or orange wire (in addition to the. As you can see, there are various reasons why copper is chosen over other. Copper is an integral part of.
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Web answer (1 of 4): The reason this change was mandated by the national. Web connect the black and white wires to the silver and copper screws. Web answer (1 of 4):