This term describes the 'electrical pressure' that pushes current through a circuit.
What is voltage?
This conductor is intentionally grounded and normally carries current.
What is a grounded conductor
This NEC Article covers requirements for branch circuits.
What is Article 210?
The required box size is determined by the number and size of conductors and devices
What is box fill calculation?
defined as a complete lighting unit consisting of a light source and all components necessary to distribute light.
What is a luminaire
This quantity measures the flow of electrons in a circuit.
What is current?
This conductor provides a low-impedance path to the earth to limit voltage from lightning or unintentional contact with higher-voltage lines
What is a grounding electrode conductor?
A 20-amp branch circuit must use conductors no smaller than what size copper wire?
What is 12 AWG?
Each insulated conductor that originates outside and terminates or is spliced inside a box counts as _______ conductor volume.
What is one conductor?
A luminaire that weighs more than _______ pounds must be supported independently of the outlet box.
What is 50 pounds?
This property of a material opposes the flow of electric current.
What is resistance?
A device that opens or closes an electrical circuit for control purposes is called a _______.
What is a switch?
Kitchen countertop receptacles must be supplied by at least how many small-appliance branch circuits?
What are two circuits?
Boxes used at luminaire or ceiling fan outlets must be securely fastened to the structure and listed for the purpose.
What is supported and listed for fixture or fan support?
Closet storage areas require luminaires to be installed with specific clearances to prevent this hazard.
What is a fire hazard caused by heat from the lamp?
A 12-ohm resistor with 6 amps of current flowing through it dissipates how much power?
: What is 432 watts?
A device that establishes a connection between conductors and provides a means to plug in utilization equipment is a _______.
What is a receptacle?
Bedrooms and living areas require what type of circuit protection?
What is AFCI protection
Boxes must remain accessible; they cannot be concealed within walls, ceilings, or floors.
What is boxes must be accessible and not buried?
No parts of cord-connected luminaires shall be located within the zone measured _______ horizontally and _______ vertically from the top of a bathtub rim or shower stall threshold
What is 3 feet horizontally and 8 feet vertically?
If a 60-watt light bulb operates on 120 volts, how much current does it draw?
What is 0.5 amperes?
A device designed to open and close a circuit by nonautomatic means and open the circuit automatically on a predetermined overcurrent is a _______.
What is a circuit breaker?
Receptacles in bathrooms, kitchens, garages, and outdoors must have what type of protection?
What is GFCI protection?
When a conduit body contains splices, taps, or terminations, its volume must be _______.
What is marked on the conduit body and adequate for conductors used?
Surface-mounted incandescent or LED luminaires installed in a clothes closet must have a minimum clearance of _______ inches from the nearest storage space.
What is 12 inches?