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DC source consisting of two or more cells that convert chemical energy into electrical energy
Battery
Electrical service
Double-insulated tools
Ammeter
Amperes
Electrons
Conductors
Ohm's Law
Power
Relays
Ohmmeter
Resistors
Voltmeter
Solenoids
Voltage
OSHA
Current
Schematic
Junction Box
Parallel circuits
Rough-in
GFCI
Back-to-Back bend
Pull Box
Handy Box