A 100 A sub-panel requires a two-pole 100 A breaker – 3-3-3-5 copper SER cable – (#3 AWG wire for the hot wires and a #5 AWG for the ground). For a subpanel, you need four wire service (two hots, a neutral, and an equipment ground)
What does ac stand for? AC stands for ‘alternating current’ which means the current constantly changes direction. It’s better for transporting current over long distances,