WorksheetsRevieeeew PEEEC Part 6
Total questions: 30
Worksheet time: 19mins
Minimum headroom shall be provided for all working spaces about service equipment, switchboards, panelboards or motor control centers except in service equipment or panelboards in dwelling units that do not exceed (a) amperes.
For equipment rated 1200 amperes or more 600 volts or less, containing overcurrent devices, switching devices or control devices, there shall be one entrance not less than _____ mm wide and _____ mm high at each end.
6000, 200
600, 2000
200, 6000
2000, 600
In all cases the work space in front of electrical equipment shall permit at least a (a) degree opening of equipment doors or hinged panels.
Voltage to ground of 151-600 with exposed live parts on both sides of the working space must have a clear distance not less than which of the following:
1200 mm
1000 mm
900 mm
600 mm
Conduit encased in a concrete trench is considered a (a) location.
The circuit conductors between the service entrance equipment or isolated generating plant and the branch circuit overload device or devices.
(a)
Unless specified otherwise, live parts of electrical equipment operating at (a) volts or more shall be guarded.
Where the required work space is doubled, _____ entrance(s) to the working space is/are required.
1
2
3
4
What is the minimum working clearance on a circuit 120 volts to ground, exposed live parts on one side and no live or grounded parts on the other side of the working space?
1200 mm
600 mm
1000 mm
900 mm
A piece of electrical equipment that is designed to operate at alternate intervals of (1) load and no load; or (2) load and rest; or (3) load, no load and rest is called _____ duty.
Periodic
Varying
Intermittent
Short time
The elevation for unguarded live parts in a working space for equipment operating between 601 to 7500 nominal volts between phases is (a) mm.
The space measured horizontally above a show window must have at least one receptacle for each _____ linear mm.
1800
2400
3600
3000
In each kitchen and dining area a receptacle outlet shall be installed at each counter space _____ mm or wider.
900
600
1200
300
Floor boxes shall be considered to meet the requirements of the spacing of receptacles on walls if they are within _____ mm to the wall.
450
500
600
760
For household ranges rated _____ kW or more rating, the minimum branch circuit rating shall be 40 amperes.
8 3/4
8
4
6
In a residence, no point along the floor line in any wall space may be more than (a) mm from an outlet.
Overhead conductors, not supported by messenger wires, for festoon lighting shall not be smaller than ____.
2.0 mm^2
3.5 mm^2
5.5 mm^2
8.0 mm^2
A service drop over a residential driveway shall have a minimum height of _____ mm.
3000
3600
4500
5500
The minimum clearance for service drops, not exceeding 600 volts, over commercial areas subject to truck traffic is _____ mm.
3000
5500
4500
3600
For open conductors of not over 600 volts, clearance from ground shall be _____ mm, above finished grade where the supply conductors have a nominal voltage limited to 150 volts to ground and accessible to pedestrians only.
5500
3600
3000
4500
The minimum size service lateral to a branch circuit limited load is _____ copper.
2.0 mm^2
3.5 mm^2
8.0 mm^2
14.0 mm^2
For an installation consisting of not more than two 2-wire branch circuits, the service disconnecting means shall have a rating of not less than _____ amperes.
30
100
60
20
The height of a circuit breaker used as a switch shall not exceed _____ above the floor.
1500 mm
1200 mm
2000 mm
1350 mm
Where used as switches in 120 volt and 277 volt fluorescent lighting circuits, circuit breakers shall be marked _____.
UL
AMPS
SWD
VA
The minimum size of bonding jumper shall be ___ for copper and ___ for aluminum or copper-clad aluminum.
8.0 mm2, 14.0 mm2
14.0 mm2, 22.0 mm2
2.0 mm2, 3.5 mm2
5.5 mm2, 8.0 mm2
Type _____ is a single or multiconductor solid dielectric insulated cable rated 2001 volts or higher.
MV
MC
MI
NM
Type _____ cable is a factory assembly of one or more conductors, each individually insulated and enclosed in a metallic sheath of interlocking tape, or a smooth or corrugated tube.
MV
MC
MI
AC
Intermediate metal conduit must be supported every (a) mm.
The bending radius for nonshielded cables operating at 4160v shall be less than _____ times the diameter.
10
8
12
6
_____ cable shall be flame-retardant, moisture-resistant, fungus-resistant and corrosion-resistant.
NM
NMC
MI
USE
