Tennis court lights outside:
Do you need to use a 2-pole lighting contactor when wiring lights that are 240v? Or, can you use 1-pole contactor and just tie the other leg to the breaker?
410.48 Double-Pole Switched Lampholders.
Where supplied by the ungrounded conductors of a circuit, the switching device of lampholders of the switched type shall simultaneously disconnect both conductors of the circuit.