Electrician Basics Quiz Share: Facebook Pinterest Twitter Mail AD SLOT: post_a - AdSense auto responsive (728×90) Which of these is a common wire gauge in household wiring? 75% Next Correct Incorrect 12 AWG is common for 20-amp household circuits. Which of these is a common wire gauge in household wiring? 12 AWG 40 AWG 4/0 AWG 10 Gauge only 75%