Wiring Basics for Alternating Current | DoItYourself wwwyourself››Home AutomationHaving a basic knowledge of AC wiring can help with every instance of home electrical installation. AC stands for alternating current. As opposed to DC or direct current, AC is the kind of electrical power supplied to homes and other buildings (while DC power is primarily used as electrical energy). Basic House Wiring -Connections and Code Wiring Basics House Wiring Issues, Parts, and Code. Here I intend to give clear information on a number of basic house wiring issues that may be unfamiliar or confusing to the do-it-yourselfer.