Wiring 123 - Home Depot ... 1-2-3 Author:The Home Depot (Editor) More than a million do-it-yourselfers tackle wiring projects yearly. * A comprehensive resource for homeowners of all skill levels * The most up-to-date information -- from replacing a switch to upgrading an older electrical system * 125 projects * More than 600 photographs * More than 30 illustrations * More than 150 tips