Light switch wiring is a task that most DIYers can take on themselves without calling an electrician. Follow these steps to wire your switches safely.

Safety note: This project assumes a 15-amp breaker for your lighting circuits. If you see that your breaker is 20 amps, you will need to use 12-2 and 12-3 NM-B cable.

Voltage Rating [Secs. 240.83 (E) and 240.85]. Breakers are marked with either a slash or straight system voltage rating that indicates their capability to interrupt fault currents. Voltage markings ...

10-gauge wire Appropriate for a two-pole 20-amp breaker or a single-pole 30-amp breaker. 8-gauge or 6-gauge wire Used for 40-, 50- and 60-amp two-pole breakers; large appliances.