Articles about electrical wire
How to Select the Right Cable for Home Electrical Wiring Projects. This color standard affects the outside sheath colors, not the individual insulated wire conductors. The NMB cable comes with a ground wire as well.
Safe Amperage Ratings for Electrical Wire: The amperage rating will depend on the insulation type of the #12 AWG wire, Surpassing the amperage rating of any electrical wire is highly dangerous and not safe and can cause the wire to become over heated which could lead to a fire.
Question: I have to splice an adapter cord to a black and white copper electrical wire. I know the black is hot and the white is neutral. How do I tell which of the wires on the adapter cord to hook to which of the black and white copper wires.