Basics
What is the unit of electric current?
Ampere
What tool is used to strip the insulation from electrical wires?
Wire stripper
What color wire is typically used for grounding in electrical systems?
Green or bare copper
What does NEC stand for?
National Electrical Code
What device is used to measure electric potential difference?
Voltmeter
Which tool is essential for checking if a circuit is live?
Multimeter
Name the organization responsible for setting electrical safety standards in the workplace.
Occupational Safety and Health Administration (OSHA)
In residential wiring a wire staple should be placed how close to a junction box?
What is 12"?
The hot terminal on a switch or receptacle what color?
What is gold?
What is the purpose of a conduit bender?
To bend electrical conduits
What personal protective equipment should electricians wear when working on live circuits?
Insulated gloves and safety goggles
What is the minimum gauge of wire typically used for residential electrical outlets?
14-gauge
The neutral terminal on a 2 way switch or receptacle is what color?
What is silver?
Name the tool used to fish wires through walls and electrical conduit.
Fish tape
What does the acronym GFCI stand for?
Ground Fault Circuit Interrupter
According to the NEC, how often must GFCI outlets be tested?
Monthly
What is the unit of resistance?
Ohm
What is a circuit breaker tester used for?
To test the functionality of circuit breakers
What is the purpose of a lockout/tagout procedure?
To ensure that electrical equipment is properly shut off and not started up again before the completion of maintenance or repair work.