That’s where 3-way switches come in. Unlike single-pole switches, which control lights ... but here’s how to wire a 3-way switch with power coming to the switch first. Test your non-contact voltage ...

Table 3.75: Table 3.75 provides 3-phase, 3-wire and 3-phase, 4-wire feeder sizes based on the rating of the overcurrent protective device. CIRCUIT SIZE SCHEDULE NOTES: S1. UNLESS OTHERWISE INDICATED, ...