Assertion: water heater | /r/CapableOf | test wire
Facets:
value: for voltage
type: PURPOSE
value: before touching any electrical connections
type: TEMPORAL
Source sentences:
text: The procedure is no more difficult than replacing a standard wall switch, but water heaters use 240-volt power, so be extra careful to shut off the power and test the wires for voltage before touching any electrical connections or wires.