ESAS PEC kemerut
Philippine Electrical Code Quiz
Test your knowledge of the Philippine Electrical Code with our comprehensive quiz. Whether you're preparing for certification or just want to enhance your understanding, this quiz offers a wide range of questions to challenge your expertise.
Key Features:
- 40 multiple-choice questions
- Focused on practical electrical knowledge
- Instant feedback on your performance
Explanatory material in the Code is characterized by _____.
FPN
The word `could`
The word `may`
The word `shall`
A fixture that weighs more than _____ pounds shall not be supported by the screw shell of a lamp holder.
4
2
6
3
Electrical equipment can be defined as ________. I. Fittings II. Appliances III. Devices IV. Fixtures
I, III and IV
I, II, III and IV
I and IV only
I only
A 200-ampere panelboard may supply a maximum load of ______.
200 amperes
160 amperes
Which of the following must be provided when a No. 4 AWG or larger conductor enters a panelboard?
An insulated bushing
A ground clip
A bonding jumper
An identification tag
A fused safety switch must not have the fuses connected in _____.
None of the choices
Series
Parallel
Line with the load
How must wire terminals be arranged and located in panelboards?
So the installer must reach across ungrounded lines
So they are not readily accessible
So it will not be necessary for service personnel to reach across or beyond an insulated ungrounded line bus to make connections
So they may not be tampered with or changed
When rigid metal conduits are buried the minimum cover required by the PEC is _____.
18 inches
12 inches
6 inches
24 inches
The minimum size copper equipment grounding conductor for a 200-ampere circuit is _____.
No. 8 AWG
No. 6 AWG
No. 3 AWG
No. 10 AWG
When blades of knife switches are open, they must be ______.
De-energized
Energized
Warning tags installed
Insulated
The PEC requires which of the following colors for the equipment grounding conductor?
Green or green with yellow stripes
Blue with yellow stripes
Yellow
White or gray
The PEC is designed for safety regardless of _____. I. cost II. time III. maintenance IV. efficiency V. Future expansion
I, II, III, IV and V
I, II, III and IV
I and II
III and IV
Identified, as used in the Code in reference to a conductor or its terminals, means that such a conductor or terminal is to be recognized as ______.
Bonded
Colored
Marked
Grounded
What is the maximum number of main circuit breakers that may be used to protect a lighting and appliance panelboard on the supply side?
1
2
3
None
The maximum size fuse allowed to protect a No. 14 AWG THW conductor is ______.
20 amperes
10 amperes
15 amperes
25 amperes
In which of the following dwelling unit locations may overcurrent protection devices, other than supplementary protection, be installed?
Over steps in a stairway provided that it is located where it will not be exposed to physical damage
Clothes closets
Kitchens
Dormitory bathrooms serving up to 6 persons
Which of the following statements is FALSE?
Live parts on equipment operating at 120 volts must have a working clearance in front of them of at least three feet.
In a dwelling unit, a 40 amp branch circuit is permitted to supply several fixed electric heaters.
A 12-kilowatt electric range in a dwelling unit must have an 8-kilowat branch circuit load.
In an industrial building, branch circuits protected by 15 amp overcurrent devices are permitted to supply a power load that operates at 300 volts or less.
Which of the following colors of insulation or markings are not allowed to identify hot phase conductors?
Black and red for 120/208 volt systems
Yellow or orange for 277/480 volt systems
White or gray
All of the choices
For a dwelling unit having a floor area of not more than 50 sq. M with a total load not exceeding 3680 VA, a drawing sheet of size _______ is permitted.
297 mm x 420 mm (A3)
420 mm x 594 mm (A2)
594 mm x 841 mm (A1)
210 mm x 297 mm (A4)
Receptacles must be of the grounding type if they are installed on which of the following?
40 amp circuit
30 amp branch circuit
15 and 20 amp branch circuits
None of the choices
Hazardous locations are classified by the Philippine Electrical Code in how may classes?
One class
Four classes
Three classes
Two classes
What is a generic term for a group of nonflammable synthetic chlorinated hydrocarbons used as electrical insulating media?
All choices are correct
Clad
Protective device
Askarel
The adoption of the 9th Edition of the 2017 Revised Philippine Electrical Code (PEC) Part 1 as part of the Rules and Regulations governing the practice of Electrical Engineering and as a referral code in accordance with the National Building Code is PRC Board of Electrical Engineering Resolution No. ____, Series of 2017.
19
17
18
16
In every drawing, the title block shall be standard strip, which shall contain the name of the project, owner, title of the sheet, scale used, name and signature of the PEE. How wide is this strip?
30 mm
35 mm
45 mm
40 mm
Heavy duty lamps are used on which of the following circuit sizes?
15 amps or larger
25 amps or larger
20 amps or larger
Which of the following statements is FALSE?
TVSS devices shall not be installed if the system circuits are in excess of 600 volts.
Service equipment is grounded to a grounding electrode to keep metal parts, which are subject to a ground fault, at the same potential as the earth.
Wiring devices for use on 120 volt circuits are marked as 125 volts.
A 200 amp panel is permitted to supply a 200 amp noncontinuous load.
A multiwire branch circuit protected by fuses may supply only ______.
Half line to line loads and half line to neutral load
Line to line loads
Line to neutral loads
Half line to neutral loads to full or trip line to other loads
The demand factor for three commercial kitchen loads is which of the following?
110 percent of the maximum ampacity
Based on the ambient temperature
90 percent
None of the choices
In a commercial building, which of the following locations must have GFCI protection?
All of the choices
Outdoor receptacles
Bathroom receptacles
The hallway
If a bare live conductor is touched accidentally, the severity of electric shock is determined primarily by:
The contact resistance between the bare wire and the person at the point of contact
The current flowing in the conductor
The type of the power supply, whether AC or DC
The size of the conductor
The definition of a pool includes wading, swimming and therapeutic pools, and the term fountain includes which of the following? I. Reflection pools II. Drinking fountain III. Display pool IV. Ornamental pool
I, III & IV
IV only
II only
I, II, III and IV
A freestanding office partition is permitted a maximum of how many 15 amp receptacles?
12
13
15
10
In a high-leg delta arrangement on a switchboard with bus bars, phase B would have which of the following?
The lowest voltage to ground
The highest voltage to ground
The lowest ampacity
The highest ampacity
Any 125 volt single-phase receptacles must be protected by ground fault circuit interrupters if they are within which of the following distances from the inside wall of a hot tub?
None of the choices
13
12
15
The rated ampacity of conductors and overcurrent devices of a feeder for two or more branch circuits supplying X-ray equipment for non-medical or non-dental use must not be less than 100% of the momentary demand rating of the two largest pieces of X-ray equipment plus what percent of the momentary ratings of other X-ray apparatus?
5%
15%
20%
10%
Intermediate metal conduit shall shipped in standard lengths of ________.
3,000 mm
5,000 mm
2,000 mm
4,000 mm
200 amp service entrance equipment located indoors at a single-family dwelling must meet which of the following requirements?
All of the choices
Be illuminated
Have 24 branch circuits
Use bolt-in fuses or circuit breakers
The 9th Edition of the 2017 Revised Philippine Electrical Code (PEC) Part 1 takes effect on what date?
December 12, 2017
December 2, 2017
December 21, 2017
November 17, 2017
One receptacle on a single branch circuit must have which of the following ratings?
15 amps
None of the choices
110 volts
100 percent of the branch circuit rating
When pulling wires into a conduit, a certain percent of the conduit area should unoccupied. What is the purpose of this?
To permit pulling out of the wires for replacement even if the insulation has swelled
To permit pulling in additional wires later
To allow pulling in the wire without strain on the conductors or abrasion
To permit circulation of air so that the insulation will not be damage by heat
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