MCQ in Philippine Electrical Code (PEC) Part 2 | REE Board Exam

(Last Updated On: October 16, 2020)

This is the Multiple Choice Questions Part 2 of the Series in Philippine Electrical Code (PEC) as one of the Electrical Engineering topic. In Preparation for the REE Board Exam make sure to expose yourself and familiarize in each and every questions compiled here taken from various sources including but not limited to past Board Exam Questions in Electrical Engineering field, Electrical Engineering Books, Journals and other Electrical Engineering References.

Continue Practice Exam Test Questions Part 2 of the Series

Choose the letter of the best answer in each questions.

⇐ MCQ in Philippine Electrical Code (PEC) Part 1 | REE Board Exam

51. For each 2-wire laundry branch circuit, a feeder load of NOT less than ______ shall be included.

A. 1,800 VA

B. 1,500 VA

C. 2,000 VA

D. 1,200 VA

52. The computed load for the branch circuit installed to supply exterior signs and outline lighting shall be computed at a minimum of ______ volt-amperes.

A. 1,200

B. 1,500

C. 1,800

D. 1,000

53. Non-metallic boxes shall be permitted only with ______.

A. concealed knob and tube wiring

B. non-metallic sheathed cable

C. open wiring on insulators

D. all of these

54. RME Board April 1995

A building or other structure serve shall be supplied by only one service drop EXCEPT for

A. multiple occupancy building

B. fire pumps

C. emergency electrical system

D. all of these

55. Air terminals exceeding 600 mm in height shall be supported at a point NOT less ______ of its height.

A. three-fourths

B. two-fifth

C. one-half

D. one-third

56. RME Board October 1994

This type of cable is a fabricated assembly of insulated conductors enclosed in a flexible metal sheath.

A. Ground wire

B. Integrated gas spacer cable

C. Medium voltage cable

D. Armored cable

57. RME Board October 1996

The following are common splicing rules EXPECT one. Which one is this?

A. A splice must provide a path for the current to pass through

B. A joint must be mechanically as strong as the wire itself

C. All splices must be mechanically and electrically secured by means of solder

D. Wires of the same should be spliced together in line

58. Service entrance cables shall be supported by straps or other approved means within _______ of every service head

A. 300 mm

B. 500 mm

C. 600 mm

D. 400 mm

59. RME Board October 1994, RME Board April 1995

A point in a wiring system at which current is taken to be used in some equipment

A. Grounded

B. Conductor

C. Service entrance

D. Outlet

60. RME Board October 1995

The clearance from the top of a switchboard to a ceiling which is combustible shall NOT be less than_________.

A. 1,000 mm

B. 800 mm

C. 900 mm

D. 1,250 mm

61. RME Board April 1995

In concealed knob and tube wiring, the clearance to be maintained between conductors is

A. 55 mm

B. 45 mm

C. 76 mm

D. 50 mm

62. RME Board April 1995

What is the total number of mechanical degrees that a PVC conduit run maybe bent between pull points (pull boxes, junction boxes or utility boxes)?

A. 360 degrees

B. 180 degrees

C. 120 degrees

D. 270 degrees

63. RME Board October 1994

The sum of the cross sectional area of all conductors in a wireway must not exceed ____ percent of the cross-sectional area of the wireway.

A. 15

B. 20

C. 10

D. 25

64. RME Board April 1996

A lighting fixture shall be wired with a flexible lighting cord with a cross section area of NOT less

A. 0.75 mm²

B. 2.00 mm²

C. 0.50 mm²

D. 1.25 mm²

65. RME Board April 1994

Flexible metal conduits must not be used in

A. wet locations

B. hoistways

C. storage battery rooms

D. all of these

66. What is the maximum operating temperature of type THWN conductor?

A. 75°C

B. 60°C

C. 90°C

D. 110°C

67. A conductor encircling a building and interconnecting all ground terminals?

A. Bonding

B. Interlink

C. Air terminal

D. Counterpoise

68. RME Board April 1995

The use of surface nonmetallic raceway may NOT be used in the following locations EXCEPT one. Which one is this?

A. In dry locations

B. Where subject to severe physical damage

C. Where the voltage is over 300 V

D. Where concealed

69. For installation consisting of not more than two 2-wire branch circuits, the service disconnecting mains shall be rated NOT less than what rating?

A. 20 A

B. 40 A

C. 30 A

D. 50 A

70. For a dwelling unit having a floor area not more than 50 square meters shall be permitted to have a single 20-A, 2- wire branch circuit provided the total load shall NOT exceed how many volt-amperes?

A. 3,680

B. 3,860

C. 3,080

D. 3,068

71. RME Board April 1995

Flat conductor cable (FCC) system shall NOT be used in the locations enumerated below EXCEPT one. Which one is this?

A. Locations where subject to corrosive vapors

B. Damp locations

C. Residential buildings

D. Outdoors

72. RME Board April 1994

A run conduit between outlets, between fittings, between outlet and fitting shall not contain more than the equivalent of _________ quarterbends.

A. 2

B. 4

C. 3

D. 5

73. RME Board October 1995

Transformers that contain liquid that will burn shall be installed only in approved vaults and shall also comply with the following conditions EXCEPT one. Which one is this?

A. Ample ventilation’s shall be provided for the continuous

B. Vent openings shall lead to a safe location outside the building

C. All vent ducts and openings shall be of sufficient areas to reliable explosion pressures within the vault

D. There shall be a robust door between the vault and any non-hazardous location

74. RME Board October 1994

To provide for small appliance in a dwelling unit, the feeder should be computed at

A. 2,400 watts

B. 3,000 watts

C. 1,500 watts

D. 3,600 watts

75. RME Board October 1994

Cables operated at over ______ shall be shielded.

A. 2,000 V

B. 1,000 V

C. 3,000 V

D. none of these

76. The nearest ground terminal shall NOT less than______ from the foundation wall.

A. 760 mm

B. 800 mm

C. 550 mm

D. 600 mm

77. RME Board April 1994

The circuit conductors between the service entrance equipment or isolated generating plant and the branch circuit overload device or devices.

A. overcurrent protector

B. feeder

C. motor controller

D. disconnecting switch

78. Conductors shall be securely attached to the buildings using fasteners. Fasteners shall be spaced NOT more than

A. 760 mm

B. 600 mm

C. 880 mm

D. 900 mm

79. The minimum diameter of air terminal used at the top of a heavy duty smoke or vent stacks shall be ____, exclusive of the corrosion protection.

A. 10 mm

B. 15 mm

C. 13 mm

D. 20 mm

80. ______ are used on conduits and are located inside and outside of the box.

A. Couplings

B. Bushings

C. Locknuts

D. Washers

81. No parts of cord connected fixtures, hanging fixtures or pendants shall be located within a zone measured ______ horizontally from a bathtub rim.

A. 900 mm

B. 1,000 mm

C. 800 mm

D. 700 mm

82. Busbars shall be copper having a minimum conductivity of ______.

A. 100%

B. 96%

C. 98%

D. 97%

83. RME Board April 1995

What is the temperature rating of THW insulation?

A. 60°C

B. 85°C

C. 75°C

D. 90°C

84. Individual open conductors and cables other than service cables shall NOT be installed within______ of every grade level.

A. 3,100 mm

B. 2,500 mm

C. 3,700 mm

D. 3,000 mm

85. An insulated grounded conductor of 14 mm2 or smaller shall be identified by a continuous ____ outer finish along its entire length.

A. green

B. black

C. green with yellow stripes

D. white or natural gray

86. Messenger support wiring is permitted only in ______ establishments where maintenance personnel service the system.

A. industrial

B. commercial

C. both A and B

D. neither A or B

87. In damp or wet locations, boxes and fittings should be properly placed or insulated to prevent

A. dust from entering the box or fitting

B. water from entering the box or fitting

C. wiring exposure

D. grounding

88. Equipment having an open circuit voltage exceeding ____ shall NOT be installed in dwelling occupancies.

A. 500 V

B. 300 V

C. 250 V

D. 230 V

89. RME Board October 1995

Connected knob and tube wiring conductors shall be rigidly supported on knobs not more than a certain minimum distance apart. What is this distance?

A. 2,000 mm

B. 1,500 mm

C. 1,300 mm

D. 2,500 mm

90. Which of the following materials is used to support the conductor in the open wiring method?

A. insulated wire stoppers

B. insulated nails

C. rosettes

D. split knobs

91. The minimum size of type IGS cable shall be

A. 100 mm²

B. 125 mm²

C. 150 mm²

D. 200 mm²

92. Watercraft’s switchboards shall be provided with a clear working space of at least ____ at the front.

A. 1,500 mm

B. 1,200 mm

C. 1,600 mm

D. 1,000 mm

93. RME Board October 1995

For grounding electrode to which portable or mobile equipment system neutral impedance is connected, shall be isolated from the ground by at least a certain distance from any other system or equipment grounding electrode. What is this distance?

A. 4,000 mm

B. 6,000 mm

C. 5,000 mm

D. 3,000 mm

94. Which of the following metals is the best conductor of electricity?

A. Steel

B. Iron

C. Aluminum

D. Copper

95. Incandescent lamp fixtures shall be marked to indicate the allowable wattage of lamps. The markings shall be permanently installed in letters at least ______ high.

A. 6.0 mm

B. 6.4 mm

C. 6.3 mm

D. 6.5 mm

96. If the duty cycle of a motor-generator arc welder is 100%, the supply conductors shall NOT be less than______ of its rated primary nameplate current.

A. 115%

B. 125%

C. 100%

D. 130%

97. Most wires used in residential house wiring are usually insulated by

A. Asbestos

B. Cotton

C. Thermoplastic

D. Varnished cambric

98. Open wiring on insulators shall be permitted for wiring systems of ____ or less.

A. 150 V

B. 240 V

C. 300 V

D. 600 V

99. RME Board April 1996

The branch circuit conductors that supply one or more units of data processing systems shall have an ampacity not less than ____ percent of the total connected load.

A. 150

B. 100

C. 125

D. 200

100.Communication cable and wires shall have a voltage rating NOT less than _____.

A. 400 volts

B. 300 volts

C. 600 volts

D. 250 volts

⇒ MCQ in Philippine Electrical Code (PEC) Part 3 | REE Board Exam