What is a fuse?
overcurrent protective device with a circuit fusible part that is heated and severed by the passage of overcurrent through it
What are chapters 1-4 used for in the NEC?
The connection between the ground-circuit conductor and the equipment grounding conductor at the service is?
main bonding jumper
Article 314.16
box fill
What are the annexes purpose in the NEC
informational purposes only
What are 2 of the items listed to be considered a bathroom
sink and toilet or urinal shower tub bidet
What voltages can a multiwire branch circuit supply?
20/240 and 120/240
When is the LRC due
Sept 23
True/False In accordance with 110.3(B) all manufactures' instructions must be followed.
True
Mandatory rules in the NEC uses what words?
Shall or shall not
Branch circuit that supplies 2 or more receptacles or outlets
general purpose
Within what inch should nonmetallic-sheathed cable that is not fastened to a box be secured
8
What organization boasts an international membership of more than 75,000 members
NFPA
What is a building containing 3 dwelling units called?
multifamily dwellings
Article 210.12
AFCI
Article 430
motors
Unless the box is constructed in a manner that prevents contact between the conductors and the supporting screws the supporting screws for nonmetallic box must be mounted
outside of the box
An electrician is installing a surface mounted non-metallic, weatherproof cabinet on the outside of a concrete building. How many inches of airspace is required betewwn the cabinet and the wall?
0
what is the definition for appliance
utilization equipment, generally other than industrial, that is fastened in place, stationary, or portable; is normally built in a standardized size or type; and is installed or connected as a unit to perform one or more functions such as clothes washing, air-conditioning, food mixing, deep frying, and so forth
You can only go by the marked number of conductors in a box only if it does not contain any
fittings or devices
Overcurrent devices do not have to be readily accessible if
located adjacent to the equipment where access is achieved by the use of portable means
Chapter 9
tables
If any outlet box that does not enclose a device or utilize equipment it shall have a minimum internal depth of
1/2 in.
What volume would these components take up in a box?
(1) single pole switch
(1) 3-way switch
(3) 14/2
(1) 14/3
30 cu in
What is used to increase the volume of a box?
domed covers, extension rings, plaster (mud) rings