Conductors
Electrical conductors installed in a cold storage warehouse could be considered located in a _______
Damp Location
Locations, Damp 100
What are the requirements for a receptacle installed directly over a bathtub or shower.
Recepticals can not be installed over a bathtub or shower stall.
406.9 (C)
What are the conductor materials covered in the NEC
Copper
Copper-clad Aluminum
Aluminum
310.3(b)
The installation and use instructions may be provided in the form of printed material, quick response (QR) code, or the address on the Internet where users can download the required instructions.
True or False
True 110.3(b)
Electrical equipment shall be installed in a __________ & _______ ________
Professional and skillful manner.
which of the following is/are characteristic(s) of good insulation?
Ability to withstand heat
Long life
Mechanical flexibility
Resistance to moisture
What is the minimum ampacity rating of a receptacle.
15 Amps
What causes conductors to heat up when in use
Current
310.14 (a) (3) info
a device box with a receptacle would be considered a/an _________
Outlet
a splice in a conductor to be covered with an insulation ______________________________
equivalent to the conductor’s insulation or with an identified insulation device.
110.14(b)
What is the largest sized solid conductor permitted to be installed in a raceway
310.3(c)
_______________ rating associated with the ampacity of a conductor shall be selected and coordinated so as not to exceed the lowest temperature rating of any connected termination , conductor, or device
The Temperature
110.14 (C)
The five primary methods of terminating a wiring device are?
back wire
speed wire
side wire
pre-terminated leads (leaded)
and modular
What are the Basic Components of Switches and Receptacles'
terminals
mounting strap
face plate.
Receptacles also include contacts
switches have actuator
The temperature rating associated with the ampacity of a conductor shall be so selected and coordinated as to not exceed the lowest temperature rating of any connected ?
conductor
termination
device
110.14 (c)
The width of the working space in front of electrical equipment 1,000 volts or less shall ?
allow at least a 90° opening of equipment doors
not be less than 30" wide or the width of the equipment (whichever is greater)
There are three conductor types defined in the NEC what are they _________ __________ ________
Bare
Covered
Insulated
Equipment that is listed, labeled, or both, or ? shall be installed and used in accordance with any instructions included in the listing, labeling, or identification.
Identified for a use
110.3 (B)
A piece of electrical equipment with a UL label on it shall be installed in accordance with any ? included in the listing or labeling.
Instructions
110.3 (B)
What are the following are the prime characteristics of a good insulation for conductors 600 volts and less:
Long Life
Slow aging
Resistance to Moisture
Mechanical Flexibility
where the white or gray conductor of a cable assembly is used as a switch loop for circuits of 50 volts or more, the switch loop must be permanently reidentified as an ungrounded conductor by ? .
marking tape, painting, or other effective means of a color other than white, gray, or green
200.7(c)(1)
Electrical equipment provided with ________ ______ shall be installed so that walls or other obstructions do not prevent the free circulation of air through the equipment.
Ventilation Openings
110.13 (B)
Outlet devices shall have an ampere rating that is not less than
the load to be served and shall comply with 210.21(A) and (B).
210.21
There are four sources of heat that will have an effect on the insulation of a conductor; which can be accumulative.
What are they
Ambient Heat
Heat Generated by Current Flow
Adjacent Load-Carrying Conductors
Heat Containment
310.15(A)(3) Informational Note 1.
Accepted industry practices are described in _______ Standard Practice for Good Workmanship in Electrical Construction, and other ANSI-approved installation standards.
. ANSI/NECA l-2015
110.12 Information note