MCQ in Philippine Electrical Code (PEC) Part 4 | REE Board Exam

(Last Updated On: November 13, 2020)

This is the Multiple Choice Questions Part 4 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.

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

151. Bus ways shall be marked with which of the following?

A. voltage rating

B. manufacturer’s name

C. current rating

D. all of these

152. The system neutral conductor shall not be connected to ground EXCEPT

A. when the generator frame is not grounded

B. through the grounding impedance

C. through a grounding transformer

D. when a ground fault is very common

153. RME BOARD APRIL 1996

When thermal overload relay are used for the protection of a three-phase induction motor, their primary purpose is to protect the motor in case of

A. short circuit between lines

B. reversal of phase sequence

C. high voltage

D. sustained overload

154. In type AC cable, all bends shall be made so that the cable will not be damage and the radius of the curve of the inner edge of any bend shall NOT be less than ______ times the diameter.

A. 4

B. 5

C. 6

D. 3

155. Non-metallic sheathed cable shall be supported within from every cabinet, box or fitting

A. 150 mm

B. 200 mm

C. 250 mm

D. 300 mm

156. RME BOARD APRIL 1995

What is the nominal supply voltage specified by the Philippine Electrical Code for residential homes?

A. 225 volts AC

B. 230 volts AC

C. 240 volts AC

D. 220 volts AC

157. Messenger supported wiring shall NOT be used in ______.

A. hoistways

B. multi-conductor underground feeder

C. metal clad cable

D. all of these

158. Temporary electrical power and lighting installations shall be permitted for a period not to exceed _____ for Christmas decorative lighting, carnivals and similar purposes.

A. 100 days

B. 120 days

C. 90 days

D. 60 days

159. Which of the following conductors is NOT applicable on wet locations?

A. Type THHN

B. Type THW

C. Type RHW

D. Type THWN

160. A surge of unidirectional polarity.

A. Skin effect

B. Corona

C. Flashover

D. Impulse

161. For each small appliance branch circuit, the feeder load shall be ______ per 20 A circuit.

A. 1,000 VA

B. 1,200 VA

C. 1,500 VA

D. 1,800 VA

162. RME BOARD OCTOBER 1995

The electrical plans for residential house include the following items EXCEPT one. Which one is this?

A. Substation plan

B. Location plan

C. Floor plan showing location of service

D. Layout of wiring plan for general lighting and receptacle outlets

163. 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. 100 V

B. 150 V

C. 50 V

D. none of these

164. The minimum size of branch circuit capacity to supply laundry receptacle outlets shall be _____.

A. 20 A

B. 15 A

C. 25 A

D. 30 A

165. Conductors in open wiring on insulators shall be rigidly supported within _____ from a tap or splice.

A. 200 mm

B. 100 mm

C. 250 mm

D. 150 mm

166. Main and equipment bonding jumper shall of _____.

A. copper

B. aluminum

C. both A and B

D. neither A or B

167. The minimum insulation level for neutral conductors of solidly grounded system shall be ______.

A. 500 V

B. 300 V

C. 600 V

D. 750 V

168. For class II lighting materials, the minimum diameter of a solid copper air terminal shall be _____.

A. 15.9 mm

B. 12.7 mm

C. 10.5 mm

D. 9.5 mm

169. RME BOARD APRIL 1994

Connection between conductive or inductive metal object in an element of a lightning protection system to accomplish electrical continuity

A. Connectors

B. Interlink

C. Counterpoise

D. Bonding

170. The grounding electrode conductor shall be ______.

A. copper

B. copper-clad-aluminum

C. aluminum

D. all of these

171. Mats of insulating rubber or other suitable floor insulation shall be provided for the operator where the voltage to ground exceeds

A. 150 V

B. 100 V

C. 250 V

D. none of these

172. How many 20 A branch circuit shall be provided for all receptacle outlets for the small appliance load?

A. One or more

B. At least two

C. Only one

D. None of these

173. For a one family dwelling unit having an initial load of 10 kVA or more, the minimum service entrance capacity shall be ______.

A. 100 A

B. 90 A

C. 60 A

D. 30 A

174. RME BOARD OCTOBER 1996

Flexible cords used in locations where there is a lot of flying flint or fibers shall comply with following EXCEPT one. Which one is this?

A. It shall be approved for use in locations which are vapor-filled

B. It shall contain in addition to the conductors, a grounding conductor

C. It shall be of type approved for extra hard usage

D. It shall be provided with suitable seal to prevent the entrance of dust

175. A point at which the load of a given area is assumed to be concentrated.

A. Switchboard

B. Outlet

C. Panel board

D. Load center

176. The workspace about electrical equipment shall be adequate to permit at least ____ degree opening of doors or hinged panels.

A. 90

B. 45

C. 60

D. 75

177. RME BOARD OCTOBER 1994

The multiplying factor for determining the size of branch circuit protection for non-time delay fuse is

A. 300%

B. 175%

C. 250%

D. 150%

178. For banks, the general lighting load shall be computed at _____ per square meters of the floor area.

A. 24

B. 20

C. 30

D. 28

179. In dwelling units, the computed lighting and small appliance load above 120,000 volt-amperes shall be computed at what demand?

A. 35%

B. 25%

C. 45%

D. 20%

180. Which of the following statements is NOT one of the primary objectives of the Philippine Electrical Code?

A. To establish electrical work standards

B. To establish basic materials qualities

C. To ensure safety in using electricity

D. None of these

181. The Code has been approved and adopted by the Board, PRC. What does the acronym PRC stands for?

A. Philippine Registration Commission

B. Professional Regulation Commission

C. Philippine Regulation Commission

D. Professional Registration Commission

182. Are 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. Wireways

B. Busways

C. Cable trays

D. Non-metallic extensions

183. Portable appliances equipped with proper cord and plug caps and NOT more than _____ maybe installed without an electrical permit.

A. 1,200 VA

B. 1,500 VA

C. 1,000 VA

D. 1,800 VA

184. Which of the following is not a standard content of an electrical plan?

A. Location plan

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B. Legend and general notes

C. Schedule of maintenance

D. Specifications

185. RME BOARD OCTOBER 1996

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 certain distance from the nearest edge of the framing member. What is this distance?

A. 20 mm

B. 30 mm

C. 10 mm

D. 50 mm

186. Which of the following is NOT a standard ampere rating of a fuse?

A. 60 A

B. 125 A

C. 45 A

D. 55 A

187. Cabinet and cutout boxes shall have an air space of at least ______ between any energized metal parts of enclosed fuses and the door.

A. 20 mm

B. 13 mm

C. 25 mm

D. 15 mm

188. Auxiliary gutter shall be supported throughout it entire length at intervals _____.

A. 1,500 mm

B. 1,800 mm

C. 1,200 mm

D. 1,600 mm

189. A lighting and appliance branch circuit panel board is one having more than ____ percent of its over-current device rated 30-A or less.

A. 10

B. 12

C. 15

D. 16

190. Open wiring on insulators shall be permitted on systems of up to

A. 600 V

B. 500 V

C. 230 V

D. 300 V

191. Conductors in concealed knob and tube wiring shall maintain a clearance of NOT less than _____ between conductors.

A. 64 mm

B. 50 mm

C. 76 mm

D. 100 mm

192. RME BOARD OCTOBER 1994

The minimum size of wire used in electrical wiring is the former number 14 AWG. Under the metric system shown in the PEC, the diameter is

A. 2.0 mm

B. 3.2 mm

C. 1.6 mm

D. 2.6 mm

193. Non-metallic sheathed cable shall be secured in place at intervals NOT exceeding _____.

A. 1,300 mm

B. 1,200 mm

C. 1,500 mm

D. 1,800 mm

194. RME BOARD APRIL 1994

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. 9 A

B. 20.5 A

C. 18 A

D. 24.2 A

195. The bending radius of type SNM cable shall NOT be less than _____ times the diameter of the cable.

A. 3

B. 4

C. 5

D. 6

196. Flexible metallic tubing shall NOT be used in lengths longer than

A. 2,000 mm

B. 1,800 mm

C. 1,900 mm

D. none of these

197. Size 1.25 mm2 fixture wire has an ampacity of ______.

A. 10 A

B. 8 A

C. 12 A

D. 9 A

198. RME BOARD APRIL 1995

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 certain percentage of the rated primary current of the transformer. What is this maximum percentage?

A. 110%

B. 125%

C. 100%

D. 140%

199. Outdoor lighting fixtures and associated equipment ____ permitted to be supported by trees.

A. shall be

B. shall not be

C. either A or B

D. none of these (not specified in the PEC)

200. Rosettes shall be rated at 660 W, 250 V with a maximum current rating of

A. 6 A

B. 10 A

C. 4 A

D. 12 A

⇒ MCQ in Philippine Electrical Code (PEC) Part 5 | REE Board Exam

Questions and Answers in Philippine Electrical Code

Following is the list of practice exam test questions in this brand new series:

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