Code, Standards, and Practices 1, Based on the 2020 NEC Online Materials: Lesson 10 Specific Receptacle Installation Requirements Flashcards
What is the minimum rating required for a receptacle?
Select one:
a. 10 A
b. 15 A
c. 20 A
d. 30 A
15 A
A single receptacle connected to a 30-ampere branch circuit must generally have a rating not less than ? .
Select one:
a. 15 A
b. 20 A
c. 30 A
d. none of the above
30 A
If 15- and 20-ampere duplex receptacles are not marked with “CO/ALR,” they are suitable for use with ? .
Select one:
a. aluminum conductors only
b. aluminum or copper conductors
c. copper conductors only
d. copper and copper-clad aluminum conductors only
e. copper-clad aluminum conductors only
copper and copper-clad aluminum conductors only
Duplex receptacles are required to be installed so that the equipment grounding contact is orientated in which of the following positions?
Select one:
a. Grounding contact in the down position
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b. Grounding contact in the horizontal position
c. Grounding contact in the up position
d. No grounding contact orientation requirements in the NEC
No grounding contact orientation requirements in the NEC
Receptacles mounted in boxes that are flush with the finished surface or project from the finished surface must be installed so that the mounting yoke or strap of the receptacle is held rigidly against the ? .
Select one:
a. box or box cover
b.extension ring
c.finished surface
d.support means for the box
box or box cover
A ground-fault circuit-interrupter receptacle is a Class A device intended to interrupt the circuit when the current to ground is ? or higher.
Select one:
a. 6 mA
b. 20 mA
c. 15 A
d. 20 A
6 mA
Isolated ground receptacles are required to be identified by ? .
Select one:
a.a green dot on the face of the receptacle
b.a triangle symbol on the face of the receptacle
c.an orange triangle on the face of the receptacle
d.the receptacle must be totally orange in color
an orange triangle on the face of the receptacle
Isolated ground receptacles are only permitted to be used ? .
Select one:
a.in data processing (information technology) equipment rooms
b.for sensitive electronic equipment branch circuits
c.where the grounding terminal of the receptacle(s) are connected to ground rods only
d.with equipment grounding conductors of branch circuits that are isolated and installed to meet the provisions of NEC 250.146(D)
with equipment grounding conductors of branch circuits that are isolated and installed to meet the provisions of NEC 250.146(D)
In general, the equipment grounding conductor terminal on a receptacle or switch is required to be identified in accordance with which of the following?
Select one:
a.A green-colored hexagonal terminal nut that cannot be easily removed
Incorrect
b.A green-colored pressure wire connector
Incorrect
c.A green-colored terminal screw provided with a hexagonal head that cannot be easily removed
Incorrect
d.Any of the above
Any of the above
In general, the equipment grounding conductor terminal on a receptacle or switch is required to be identified in accordance with which of the following?
Select one:
a.A green-colored hexagonal terminal nut that cannot be easily removed
b.A green-colored pressure wire connector
c.A green-colored terminal screw provided with a hexagonal head that cannot be easily removed
d.Any of the above
Any of the above
Where a grounding means does not exist in a receptacle outlet box, a nongrounding-type receptacle is permitted to be replaced with a ? .
Select one:
a. grounding-type receptacle not supplied through a GFCI
b.grounding-type receptacle only
c.nongrounding-type receptacle
d.surge-protective device (SPD) receptacle
nongrounding-type receptacle
Which of the following locations require hospital grade receptacles to be installed?
Select one:
a. A patient bed location in a critical-care area
b.A patient bed location in a general patient care area
c.An examining room in a doctor’s office
d.Both a. and b.
Both a. and b.
All 15- and 20-ampere receptacles installed in a wet location are required to be provided with which type of cover?
Select one:
a.A cover that is weatherproof when no attachment plug is inserted
b.A damp location cover
c.A listed outlet hood identified as “extra-duty” with an enclosure that is weatherproof, whether or not an attachment plug is inserted
d.A standard weatherproof cover that is not weatherproof when an attachment plug is inserted
A listed outlet hood identified as “extra-duty” with an enclosure that is weatherproof, whether or not an attachment plug is inserted
What is the maximum cord- and plug-connected load permitted on 20-ampere duplex receptacles connected to a 20-ampere branch circuit where more than two receptacles connect to this branch circuit?
Select one:
a.12 A
b.15 A
c.16 A
d.20 A
16 A
The ampere rating of a range receptacle shall be permitted to be based on a single-range demand load as specified in NEC Table 220.55.
a. True
b. False
True
