125. Which of the following areas of construction does the NEC (National Electrical Code) not cover?

A. private premises

B. parking lots

C. automotive vehicles other than mobile homes and recreational vehicles

D. Installations used by the electric utility

126. What is the allowable ampacity for a No. 14 fixture wire.

A. 15

B. 17

C. 20

D. 25

127. In dwelling unit garages. In each attached garage and in each detached ____________________. The branch circuit supplying this receptacle(s) shall not supply outlets outside of the garage. At least one receptacle outlet shall be installed for each car space.

A. detached garage or accessory building with electric power

B. walkway to the garage

C. 6' space along the floorline

D. 12' or wider carport

128. What is the demand factor percentage for 9 household electric clothes dryers in a multi-family dwelling unit.

A. 100

B. 85

C. 65

D. 55

129. In a Cellular Metal Floor Raceway the combined cross-sectional area of all conductors or cables shall not exceed ______ percent of the interior cross-sectional area of the cell or header.

A. 25

B. 40

C. 60

D. 75

130. Where the assembly, including the overcurrent devices protecting the feeder(s), is listed for operation at __________ percent of its rating, the allowable ampacity of the feeder conductors shall be permitted to be not less than the sum of the continuous load plus the noncontinuous load.

A. 80

B. 100

C. 125

D. 150

131. What is the ampacity rating of a two conductor copper No. 8 Type SCE flexible cord rated a 60 C. with an ambient temperature o 30 C.

A. 60

B. 55

C. 48

D. 65

132. A 6 AWG grounding electrode conductor that is free from exposure to physical damage shall be permitted to be run along the surface of the building construction without metal covering or protection where it is ___________________________.

A. a stranded bare copper conductor

B. a solid, insulated copper conductor

C. a stranded, insulated copper conductor

D. securely fastened to the construction

133. Ground-fault circuit-interrupter protection for personnel shall be provided for outlets that supply boat hoists installed in dwelling unit locations and supplied by ___________________________________.

A. all 125-volt, 15- and 20-ampere or greater branch circuits

B. all 20-ampere branch circuits

C. outlets not exceeding 240 volts

D. three wire branch circuits 125-volt, 15- and 20-ampere

134. No parts of cord-connected luminaries (fixtures), chain-, cable-, or cord-suspended-luminaries (fixtures), lighting track, pendants, or ceiling-suspended (paddle) fans shall be located within a zone measured _______ ft horizontally and _______ ft vertically from the top of the bathtub rim or shower stall threshold.

A. 3, 8

B. 5, 8

C. 5, 10

D. 8, 8

135. A raceway of circular cross section made of helically wound, formed, interlocked metal strip.

A. Electrical Metallic Tubing (EMT)

B. Rigid Metal Conduit (RMC)

C. Flexible Metal Conduit (FMC)

D. Rigid Non-metallic Conduit (RNC)

136. It shall be permissible to calculate the load of a feeder or service that supplies three or more dwelling units of a multifamily dwelling in accordance with Table 220.84 instead of Part III of this article if all the following condition(s) is (are) met.

A. Each dwelling unit is equipped with electric resistance heating systems.

B. No dwelling unit is supplied by more than one feeder

C. Each dwelling unit is equipped with electric cooking equipment.

D. B and C

137. Signs and outline lighting systems shall be marked with the manufacturer’s name, trademark, or other means of identification, and ________________________.

A. input voltage

B. current rating

C. date of manufacturing

D. A & B

E. none of the above

138. Conductors, other than _______________________________, shall be protected against overcurrent in accordance with their ampacities.

A. service lateral conductors

B. heating overload conductors

C. flexible cords, flexible cables, and fixture wires

D. variable gauge conductors

139. Each conductor that originates outside the box and terminates or is spliced within the box shall be counted once, and each conductor that passes through the box without splice or termination ____________________.

A. does not have to be counted

B. shall be counted twice

C. shall be counted once

D. shall be counted once for all such conductors as a group

140. As pretaining to class 1, class 2, and class 3 remote-control, signaling, and power-limited circuits, separation of ground-fault protection time-current characteristics shall conform to the manufacturer’s recommendations and shall consider all required tolerances and disconnect operating time to achieve _____________ selectivity.

A. 50 percent

B. 75 percent

C. 100 percent

D. none of these

141. Paper insulated conductors typically have what outer covering:

A. Copper or alloy steel

B. None

C. Lead sheath

D. Glass braid

142. For other than a totally enclosed switch- board or switchgear, a space not less than ________ shall be provided between the top of the switchboard or switchgear and any combustible ceiling, unless a noncom- bustible shield is provided between the switchboard or switchgear and the ceiling.

A. 12 inches

B. 1 ft.

C. 3 ft

D. none of the above

143. Continuous Load is a load where the maximum current is expected to continue for ____ hours or more.

A. 1

B. 2

C. 3

D. 4

144. Conductors shall be permitted to be terminated based on the ____°C temperature rating and ampacity as given in Table 310.60(C)(67) through Table 310.60(C)(86), unless otherwise identified.

A. 60

B. 75

C. 90

D. 100

145. In dwelling units the lighting demand factor of the first 3000 VA or less is ______________ Percent.

A. 50

B. 80

C. 100

D. 125

146. Other than for motor overload protection, no overcurrent device shall be connected in series with any conductor that is intentionally grounded, the overcurrent device opens all conductors of the circuit, including the grounded conductor, and is designed so that no pole can operate _________________.

A. simultaneously

B. above the open limit

C. until the circuit breaker for each is closed

D. independently

147. Direct-buried conductors or cables shall be permitted to be spliced or tapped _____________.

A. without the use of splice boxes

B. only with the use of splice boxes

C. only with the use of waterproof splice boxes

D. and tapped with a minimum of 1/2" of friction tape

148. What is the minimum bending radius in inches for 2" EMT using a One Shot bender?

A. 7

B. 8.25

C. 9.5

D. 11

149. Two-wire dc circuits and ac circuits of two or more ______________________ shall be permitted to be tapped from the ungrounded conductors of circuits having a grounded neutral conductor. Switching devices in each tapped circuit shall have a pole in each ungrounded conductor.

A. grounded conductors

B. ungrounded conductors

C. ungrounding conductors

D. grounding conductors

150. For attics and underfloor spaces containing equipment requiring servicing, such as heating, air-conditioning, and refrigeration equipment, at least one_____________ containing a switch or controlled by a wall switch shall be installed in such spaces. At least one point of control shall be at the usual point of entry to these spaces.

A. lighting outlet

B. power control

C. junction box

D. panelboard

151. In feeders over 600 Volts Supplying Transformers and Utilization Equipment, the ampacity of feeders supplying a combination of transformers and utilization equipment shall not be less than the sum of the nameplate ratings of the transformers and 125 percent of the designed potential load of the utilization equipment that will be operated _______________.

A. independently

B. non continuously

C. simultaneously

D. continuously

152. The width of the working space in front of the electric equipment shall be the width of the equipment or ________ in., whichever is greater and the work space shall permit at least a __________ degree opening of equipment doors or hinged panels.

A. 90, 30

B. 45, 60

C. 30, 90

D. 60, 45

153. What is the maximum allowable ampacity for No. 6 aluminum conductors type THHN, 194 F rated insulation, installed in an ambient temperature of 30 C.

A. 70

B. 58.2

C. 60.0

D. 55

154. The required branch circuit copper conductor size for taps of a 30 amp rated circuit is No. _______.

A. 14

B. 12

C. 10

D. 8

155. The normally non-current-carrying metal parts of all service enclosures shall be effectively _______________________.

A. bonded together

B. insulated

C. protected

D. locked