WorksheetsRME-PEC #7
Total questions: 50
Worksheet time: 47mins
When a thermal overload relay is used for the protection of a three-phase induction motor, its primary purpose is to protect the motor in case of (a) .
In type AC cable, all bends shall be made so that the cable will not be damaged and the radius of the curve of the inner edge of any bend shall NOT be less than (a) times the diameter.
Non-metallic sheathed cable shall be supported within (a) from every cabinet, box, or fitting.
The nominal supply voltage is specified by the PEC for residential homes.
(a)
Messenger-supported wiring shall NOT be used in (a) .
Temporary electrical power and lighting installations shall be permitted for a period NOT to exceed (a) days for Christmas decorative lighting, carnivals, and similar purposes.
Type (a) conductors are NOT applicable in wet locations.
A surge of unidirectional polarity.
(a)
For each small appliance branch circuit, the feeder load shall be (a) per 20 A circuit.
The electrical plans for the residential house include the following items EXCEPT one. Which one is this?
Substation plan
Location plan
Floor plan showing the location of service
Layout of wiring plan for general lighting and receptacle outlet
Tools and portable hand lamps likely to be used in wet and conductive locations shall NOT be required to be grounded where supplied through an isolating transformer with an ungrounded secondary of NOT more than (a) .
The minimum size of branch circuit capacity to supply laundry receptacle outlets shall be (a) .
Conductors in open wiring on insulators shall be rigidly supported within (a) from a tap or splice.
The main and equipment bonding jumper shall of (a) .
The minimum insulation level for neutral conductors of a solidly grounded system shall be (a) .
For class II lighting materials, the minimum diameter of a solid copper air terminal shall be (a) .
(a) between a conductive or inductive metal object in an element of a lightning protection system to accomplish electrical continuity.
The grounding electrode conductor shall be:
I. copper
II. copper-clad aluminum
III. aluminum.
I & II
II & III
I & III
I, II, & III
Mats of insulating rubber or other suitable floor insulation shall be provided for the operator where the voltage to ground exceeds (a) .
(a) 20- A branch circuit shall be provided for all receptacle outlets for the small appliance load.
For a one-family dwelling unit having an initial load of 10 k VA or more, the minimum service entrance capacity shall be (a) .
Flexible cords used in locations where there is a lot of flying flint or fibers shall comply with the following EXCEPT one. Which one is this?
It shall be approved for use in locations that are vapor-filled.
It shall contain in addition to the conductors, a grounding conductor.
It shall be of a type approved for extra hard usage.
It shall be provided with a suitable seal to prevent the entrance of dust.
A point at which a load of a given area is assumed to be concentrated.
(a)
The workspace about electrical equipment shall be adequate to permit at least (a) degrees opening of doors or hinged panels.
The multiplying factor for determining the size of branch circuit protection for non-time delay fuse is (a) .
For banks, the general lighting load shall be computed at (a) per square meter of the floor area.
In dwelling units, the computed lighting and small appliance load above 120,000 VA shall be computed at what demand?
(a)
Which of the following statements is NOT one of the primary objectives of the PEC?
To establish electrical work standards
To establish basic material qualities
To ensure safety in using electricity
None of these
The code has been approved and adopted by the Board, PRC. What does the acronym PRC stand for?
(a)
Sheet metal troughs with hinged or removable covers for housing and protecting electric wires and cables and which conductors are laid in place after this object has been installed as a complete system.
(a)
Portable appliances equipped with a proper cord and plug caps and NOT more than (a) may be installed without an electrical permit.
Which of the following is not a standard content of an electrical plan?
Location plan
Legend and general notes
Schedule of maintenance
Specifications
When installing cables or raceway type wiring method parallel to the framing members such as joists, rafters, or studs, the cable or raceway shall be installed and supported so that the nearest outside surface of the cable or raceway is NOT less than (a) of distance from the nearest edge of the framing member.
Which of the following is NOT a standard ampere rating of a fuse?
60 A
125 A
45 A
55 A
Cabinet and cutout boxes shall have an air space of at least (a) between any energized metal parts of enclosed fuses and the door.
Auxiliary gutter shall be supported throughout its entire length at intervals (a) .
A lighting and appliance branch circuit panelboard is one having more than (a) of its over-current device rated 30 - A or less.
Open wiring on insulators shall be permitted on systems of up to (a) .
Conductors in concealed knob and tubing wiring shall maintain a clearance of NOT less than (a) between conductors.
The minimum size of wire used in electrical wiring is the former #14 AWG. Under the metric system shown in the PEC, the diameter is (a) .
The bending radius of type SNM cable shall NOT be less than (a) times the diameter of the cable.
Flexible metallic tubing shall NOT be used in lengths longer than (a) .
Size 1.25 mm2 fixture wire has an ampacity of (a) .
Each transformer up to 600 V nominal shall be protected by an individual over-current device on the primary side at NOT more than (a) of the rated primary current of the transformer.
Outdoor lighting fixtures and associated equipment (a) permitted to be supported by trees.
Rosettes shall be rated at 660 W, 250 V with a maximum current rating of (a) .
Heating cables shall be furnished complete with factory-assembled non-heating leads at least (a) in length.
Conductors supplying one or more motor-compressors with or without additional loads shall have an ampacity NOT less than the sum of the rated load plus (a) of the highest motor-compressor rating in the group.
Non-metallic sheathed cable shall be secured in place at intervals NOT exceeding (a) .
Motor A has a full load current of 8 - A and motor B 10 - A. What is the ampacity of the feeder conductor supplying these two motors?
(a)
