110 Volt vs 220 Volt (just like 120 Volt vs 240 Volt) (directly = Hot, L-shape = Neutral, Round = Ground) Appliances with 110 volt that pull more than 15 amps need a 30 outlet that is amp 10 measure cable and a Nema 5-30 plug. If 110-120 volt appliance is under 15 amps a… Read more »