[PDF] Residential Wiring Guide - Manitoba Hydro There are four basic wire sizes that are commonly used for wiring the circuits of a home or cottage: #14, #12, #10, and #8 AWG. • # 14 AWG is used for 15 amp circuits that supply loads like receptacles, switches, and lights. • # 12 AWG is used for 20 amp circuits that supply loads like [PDF] Wiring Around Your Home - Purdue Extension In Wiring around Your Home you need to: 1. Attend your county's 4-H electric meeting(s). 2. Read this manual. 3. Complete the activities presented in this manual. 4. Complete the record sheet in the back of this booklet and submit it as instructed by county 4-H youth educator or 4-H electric leader.