Wiring Methods Final Exam
Questions and Verified Correct
Answers
A non-metallic box must have a cable staple placed within ____ inches of it to support the
wiring system. answer - 8 inches
How near a metallic box must the cable staple be place if using residential cable? answer - 12
inches
How long should the free conductor be from the point (hole) of entry inside a box? answer - 6
inches
What is the trade name for the non-metallic cable used in residential applications? answer -
Romex
What is the trade name for the metal-clad cable used in commercial installations? answer - MC
cable
What is the term used to identify the hot wire? answer - Ungrounded Conductor
What is the term used to identify the white or gray wire? answer - grounded conductor
What is the term used to identify the bare or green wire? answer - Grounding Conductor
, What voltage is present if the black and white wires are installed? answer - 120
What voltage is present if the black, red, and white wires are installed? answer - 240/120
What voltage is present if the black and red wires are installed? answer - 240
What is the ground rod "earth contact" length requirement? answer - Eight Feet
What type of battery does a Wiggy require? answer - No battery is required
Does a Tick (inductance tracer) require a battery? answer - Yes
What is a "clamp on" used for? answer - Ampacity Totals
What does a multi-meter detect? answer - Volts, Resistance, Amps
Before depending on a meter to indicate no power present, the electrician should always
_______. answer - Be tested on a known live circuit
What is the purpose of the GFCI? answer - Shuts down the circuit if current in L-1 and L-2 are
not same due to a faulty path.
What is the purpose of the AFCI? answer - Shuts down the circuit if any arcs are located in the
branch circuit, including the home-run.
Questions and Verified Correct
Answers
A non-metallic box must have a cable staple placed within ____ inches of it to support the
wiring system. answer - 8 inches
How near a metallic box must the cable staple be place if using residential cable? answer - 12
inches
How long should the free conductor be from the point (hole) of entry inside a box? answer - 6
inches
What is the trade name for the non-metallic cable used in residential applications? answer -
Romex
What is the trade name for the metal-clad cable used in commercial installations? answer - MC
cable
What is the term used to identify the hot wire? answer - Ungrounded Conductor
What is the term used to identify the white or gray wire? answer - grounded conductor
What is the term used to identify the bare or green wire? answer - Grounding Conductor
, What voltage is present if the black and white wires are installed? answer - 120
What voltage is present if the black, red, and white wires are installed? answer - 240/120
What voltage is present if the black and red wires are installed? answer - 240
What is the ground rod "earth contact" length requirement? answer - Eight Feet
What type of battery does a Wiggy require? answer - No battery is required
Does a Tick (inductance tracer) require a battery? answer - Yes
What is a "clamp on" used for? answer - Ampacity Totals
What does a multi-meter detect? answer - Volts, Resistance, Amps
Before depending on a meter to indicate no power present, the electrician should always
_______. answer - Be tested on a known live circuit
What is the purpose of the GFCI? answer - Shuts down the circuit if current in L-1 and L-2 are
not same due to a faulty path.
What is the purpose of the AFCI? answer - Shuts down the circuit if any arcs are located in the
branch circuit, including the home-run.
