PEC CHAPTER 6 - SPECIAL EQUIPMENT
INSTRUCTION: Select the answer for each of the following questions. Mark only the answer for each item by shading the box corresponding to the letter of your choice on the answer sheet provided. STRICTLY NO ERASURES ALLOWED. Use pencil no. 2 only.
ELECTRIC SIGN AND OUTLINE LIGHTING
1. A system of illumination utilizing fluorescent lamps, high intensity discharge (HID) lamps, or neon tubing.
a. Power system b. Lighting system
c. Electric-Discharge Lighting d. Illumination system
2. A portion of a sign that may provide protection from the weather, but is not an electrical enclosure. a. Sign protection
b. Sign body c. Enclosure
d. Weatherproof enclosure
3. Neon tubing that it itself the sign or outline lighting and not attached to an enclosure or sign body. a. Outline tubing
b. Lighting tube c. Skeleton tubing d. Neon tubing
4. It shall be marked with the manufacturer’s name, trademark, or other means of identification; and input voltage and current rating.
a. Signs and Outline lighting system b. Electrical supply
c. Lighting Equipment
d. Electrical tools, and equipment
5. _______ shall be adequately supported and readily movable without the use of tools. a. Cords
b. Portable sign c. Attachment plug d. Portable material
6. Bonding Conductor shall be Copper not smaller than _____. a. 2.0 𝑚𝑚2
b. 1.8 𝑚𝑚2
c. 3.5 𝑚𝑚2 d. 8.0 𝑚𝑚2
7. The outlet shall be supplied by a branch circuit rated at least ____ amperes, that supplies no load in each commercial building and each commercial occupancy accessible to pedestrians.
a. 15 b. 20 c. 30 d. 40
8. Branch circuit that supply neon tubing installation shall not be rated in excess of _____ amperes. a. 20
b. 30 c. 40 d. 60
9. Branch circuits that supply signs and outline lighting system containing fluorescent and incandescent form of illumination shall be rated not to exceed __ amperes.
a. 20 b. 30 c. 40
d. 60
10. Signs and outline lighting systems with incandescent lamp holders shall have markings permanently installed, in letters at least ___ mm high which indicate the maximum allowable wattage for lamps, and shall be located where visible during relamping.
a. 4.0 b. 5.5 c. 6.0 d. 8.0
11. The wiring method shall terminate ______, an outline lighting system enclosure, a suitable box or a conduit body.
a. with proper method b. within a sign c. accordingly d. outside the sign
12. Signs and transformer _____ permitted to be used as pull or junction boxes for conductor supplying other adjacent sign, the system or floodlights that are part of a sign.
a. Should be b. Should not c. Shall be d. Shall not be
13. Signs operated by electronic or electro-mechanical controllers connected external to the sign or outline lighting system shall be
a. Automatic b. Manual
c. Within the sight of the system d. Within sight of controller
14. The disconnecting means shall be _______ of the sign or outline lighting system that it controls. a. Within the area
b. Within the sight c. Within the capacity d. Within the system
15. Listed flexible metal conduit that enclosed the secondary wiring of the transformer for power supply use with electric discharge tubing shall be permitted as a bonding means in length not exceeding ____ m. a. 25
b. 30 c. 50 d. 20
16. Metal parts of the building _________ permitted as a grounded or equipment grounding conductor a. Shall be
b. Should be c. Shall not be d. Should not be
17. Signs or outline lighting installed a fountain shall have all metal parts and equipment grounding conductors _______ to the equipment grounding conductor for the fountain recirculating system. a. Bonded
b. Grounded
c. Solidly grounded d. Connected
18. Live parts other than lamps and neon tubing ______ enclosed. a. Shall be
b. Should be c. Shall not be d. Should not be
19. For portable sign GFCI shall be located in the power supply cord within ____ mm of the attachment plug.
a. 600 mm b. 500 mm
c. 400 mm d. 300 mm
20. Ballast transformer and electronic power supply shall be located where accessible and securely _____ in place.
a. Fastened b. Comfortable c. Protected d. Portable
21. In a ballast, transformer, and electronic power supply working space shall be at least ___ high, wide and deep each.
a. 900 mm b. 1200 mm c. 750 mm d. 1500 mm
22. Transformer and electronic power supplies shall have secondary current rating not more than ______ milliamperes.
a. 350 b. 300 c. 400 d. 600
23. In a field installed skeleton tubing, the insulation on all conductors in raceway shall extend not less than __ mm in dry location and __ mm in wet location beyond the metal conduit or tubing.
a. 50, 100 b. 65, 100 c. 100, 120 d. 35, 45
24. Secondary conductor to the first electrode shall not exceed _____ mm in metal conduit or tubing and _____ where installed in non-metallic conduit.
a. 6000 mm, 9000 mm b. 5000 mm, 3000 mm c. 6000 mm, 1000 mm d. 6000 mm, 15000 mm
25. Neon tubing electrode terminal shall ___ accessible. The neon tubing and conductor shall be supported not more than ___ from the electrode connection.
a. Be, 150 mm b. Not be, 150 mm c. Be, 300 mm d. Not be, 300 mm CRANES AND HOISTS
26. Where a crane, hoist or monorail hoist operates over ________, the resistor shall be located as permitted by the code.
a. Electrical materials
b. Readily combustible material c. Ignitable fiber
d. Non-Conductive material
27. Conductors along runways, crane bridges, and monorails shall to be ______ a. Permitted bare
b. Protected c. Solid Wire
d. Weather Resistant
28. For one motor, ____ percent of motor nameplate full-load ampere rating shall be used. a. 125
b. 100 c. 115 d. 110
a. 125% b. 100% c. 115% d. 110%
30. Conductors external to motors and controls shall not be smaller than _____. a. 0.75 𝑚𝑚2
b. 1.25 𝑚𝑚2 c. 1.8 𝑚𝑚2 d. 2.0 𝑚𝑚2
31. The demand factor is ______ as the number of cranes or hoist increases. a. Increases
b. Decreases
c. Remain the same d. All of these
32. For multiple motors on single crane or hoist, the minimum ampacity of the power supply conductors shall be the nameplate full-load ampere rating of the largest motor or group of motors, plus __ of the next largest or group of motors.
a. 50% b. 60% c. 75% d. 90%
33. Main contact conductors along the runways shall be supported at intervals not exceeding _______ mm unless otherwise permitted.
a. 5000 mm b. 6000 mm c. 6500 mm d. 7500 mm
34. Runway conductor disconnecting means shall be a. Readily accessible
b. Capable of being locked in the open position c. Open all ungrounded Conductors simultaneously d. All of these
35. Crane, hoist, and monorail hoist motor branch circuit shall be protected by _________. a. Grounding
b. Bonding
c. Fuses or Dual element circuit breaker d. Fuses and inverse time circuit breaker
36. Hoist and monorail hoist and their trolley that are not used as part of an overhead travelling crane shall not require individual motor OL protection provided the largest motor does not exceed _____ and all motors are under manual control of the operator.
a. 6 hp b. 7 hp c. 71
2 hp
d. 8 hp
37. All exposed _____parts shall be metallically joined together in a continuous electrical conductor so that the entire crane or hoist will be grounded in accordance with the code.
a. non-current-carrying metal b. current-carrying metal c. both
d. none of these
38. The dimension of the working space in the direction of the access to live parts that are likely to require examination, adjustment, servicing, or maintenance while energized shall be a minimum of ____ mm. a. 500
b. 600 c. 750 d. 900
ELEVATORS, DUMBWAITERS, ESCALATOR, MOVING WALKS, WHEELCHAIR LIFTS, AND STAIRWAY CHAIR LIFTS
39. Escalator motors shall be classified as a. Intermittent
b. Varying c. Continuous d. Short time
40. An elevator(s) _____ permitted to be powered by an emergency or standby power system. a. Shall
b. Shall not c. Should be d. Should not
41. An enclosed control space outside the hoistway, intended for full bodily entry, that contains the elevator motor controller.
a. Control Room b. Control Space c. Controller, Motion d. Controller, Motor
42. A space inside or outside the hoistway, intended to be assessed with or without fully bodily entry, that contains the elevator motor controller.
a. Control Room b. Control Space c. Controller, Motion d. Controller, Motor
43. The electric device(s) for that part of the control system that governs the acceleration, speed retardation, of the moving member.
a. Control Room b. Control System c. Controller, Motion d. Controller, Motor
44. The overall system governing the starting, stopping, direction of motion, acceleration, speed retardation of the moving member.
a. Control Room b. Control System c. Controller, Motion d. Controller, Motor
45. The operative units of the control system comprised of the starter device(s) and power conversion equipment used to drive an electric motor, or the pumping unit used to power hydraulic control equipment.
a. Control Room b. Control System c. Controller, Motion d. Controller, Motor
46. The car switch, push buttons, key or toggle switch(s), or other devices used to activate the Operation controller
a. Signal Equipment b. Controller, Operation c. Control system d. Operating Device
47. Includes audible and visual equipment such as chimes, gongs, lights, and display that convey information to the user.
a. Signal Equipment b. Controller, Operation c. Control system d. Operating Device
48. The electric device(s) for that part of the control system that initiates the starting, stopping, and direction of motion in response to a signal from an operating device.
a. Signal Equipment b. Controller, Operation
c. Control system d. Operating Device
49. The supply voltage shall not exceed ____ volts between conductors unless otherwise permitted. a. 150
b. 230 c. 300 d. 600
50. Where the voltage exceeds _____ volts, warning labels or signs that read “DANGER – HIGH VOLTAGE” shall be attached to the equipment and shall be plainly beautiful.
a. 50 b. 300 c. 600 d. 1000
51. Hoisway door interlock wiring shall be flame retardant and suitable for a temperature of not less than _____ oC. Conductor shall be SF or equivalent.
a. 75 b. 90 c. 100 d. 200
52. Travelling conductors for lighting circuit shall have the ampacity equivalent to al least that of _____ copper.
a. 2.0 mm2 b. 3.5 mm2
c. 1.8 mm2 d. 5.5 mm2
53. Conductors supplying a single-phase motor controller and single power transformer _____ have an ampacity not less than the motor controller nameplate rating and power transformer, plus all other connected loads.
a. Should b. Shall c. Shall not d. Should not
54. In hoistway, FMS, LFMC, LFNMC, etc. shall be permitted in lengths not to exceed ______ mm, without being installed in raceway, and in approved location by the code.
a. 1500 b. 1800 c. 2400 d. 5500
55. The overcurrent protection for electric vehicles feeder and branch circuit shall have a rating of not less than the sum of non-continuous load plus ___ percent of the continuous load.
a. 100 b. 125 c. 115 d. 110
56. AC system supplying fixed and portable electrical equipment ______ required to be grounded. a. Shall be
b. Shall not be c. Should be d. Should not be
57. Hoist is a _____ in which an elevator, or dumbwaiter is design to operate. a. Shaft way
b. Hatch way c. Well hole d. All of these WELDING EQUIPMENT
58. The ampacity of the supply conductors for a welder that may be operated at different times at different values of primary current or duty shall no be less than ____% of the rated primary current for seam and automatically fed welders.
b. 80 c. 85 d. 90
59. If the supply conductors for welder are protected by an overcurrent device rated or set at not more than ______ of Imax or rated primary current of the welder, a separated overcurrent device shall not be
required. a. 150% b. 125% c. 115% d. 100% 60. Welding is a ______ machine. a. Step-down Transformer b. Motor c. Generator d. Step-up transformer
61. Individual welders’ conductor ampacity shall not be less than the _____ value of the rating plate. a. IEFF
b. IMAX
c. PEFF
d. PMAX
62. Each welder shall have overcurrent protection rated or set not more than ____ percent of Imax.
a. 70.7 b. 100 c. 125 d. 200
63. Each welder shall be rated not more than _____ percent of the rated primary current of the welder for disconnecting means and its conductor.
a. 70.7 b. 100 c. 200 d. 300
64. Welding cable shall be supported at not greater than ____ mm interval a. 150
b. 300 c. 450 d. 600
65. A permanent sign shall be attached to a cable tray at intervals not greater than ____ mm. the sign shall read “CABLE TRAY FOR WELDING CABLE ONLY”
a. 1500 b. 3000 c. 5000 d. 6000
66. In audio signal processing the wireways and auxiliary gutters ______ grounded and bonded with the requirements of the code.
a. Shall be b. Should be c. Can be d. May be X-RAY EQUIPMENT
67. A rating based on an operating interval that does not exceed 5 seconds. a. Long time rating
b. Momentary rating c. Short time rating d. Slow rating
68. A rating based on an operating interval of 5 minutes or longer. a. Long time rating
b. Momentary rating c. Short time rating d. Slow rating
69. X-ray equipment mounted on a permanent base with wheels and/or casters for moving while completely assembled.
a. Mobile b. Portable c. Transportable d. Stationary
70. X-ray equipment to be installed in a vehicle or that may be readily disassembled for transport in a vehicle.
a. Mobile b. Portable c. Transportable d. Stationary
71. X-ray equipment design to be hand carried a. Mobile
b. Portable c. Transportable d. Stationary
72. The ampacity of the branch circuit conductors and the overcurrent protective devices shall not be less than ___% of the momentary rating or ____% of the long time rating, whichever is great.
a. 50,100 b. 60.125 c. 75.125 d. 100,125
SWIMMINGS, POOLS, FOUNTAINS AND SIMILAR INSTALLATIONS
73. Receptacle shall be located at least ____ mm. measured horizontally from the inside walls of the spa or hot tub.
a. 2000 b. 1500 c. 900 d. 1600
74. The grounding conductor shall be sized not smaller than _____ for pool. a. 4.0𝑚𝑚2
b. 3.5𝑚𝑚2 c. 5.5𝑚𝑚2
d. 2.0𝑚𝑚2
75. For storable pools, the flexible cord shall not exceed _____ in length. a. 800 mm
b. 700 mm c. 500 mm d. 900 mm
76. Equipment that is fastened or otherwise or otherwise secured at specific location. a. Equipment, Portable
b. Equipment, Fixed c. Equipment, Stationary d. None of the above
77. Equipment that is not easily moved from one place to another in normal use. a. Equipment, Portable
b. Equipment, Fixed c. Equipment, Stationary d. None of the above
78. A lighting fixture intended for installation in the wall of a pool or fountain in a niche that is sealed against the entry of pool water.
a. Dry Niche Luminaire b. Wet Niche luminaire
c. Weatherproof Niche luminaire d. Waterproof niche luminaire
79. A lighting fixture intended for installation in the forming shell mounted in a pool or fountain structure where the fixture will be completely surrounded by water.
a. Dry Niche Luminaire b. Wet Niche luminaire
c. Weatherproof Niche luminaire d. Waterproof niche luminaire
80. The term includes swimming, wading, and permanently installed therapeutic pool. a. Spa or hot tub
b. Storable swimming c. Pool
d. Wading pool
81. All electrical equipment located within ____ mm of the inside wall of the specified body of water shall be grounded.
a. 900 b. 1500 c. 1800 d. 2000
82. All electric pool water heater shall have the heating elements subdivided into loads not exceeding ____ amperes protected at not over 60 amperes.
a. 30 b. 40 c. 48 d. 60
83. Receptacles located from circulation and sanitation system shall be located at least 3000 mm in the inside wall of pool or not less than 1500 mm if they meet the following condition except
I. Consist of single receptacle II. Employ locking configuration III. Are of the grounding type IV. Have GFCI protection a. I only
b. III and IV only c. I and II only d. None of these
84. All 15-20A, 230v, single phase receptacles located within 6000mm of the inside pool shall be protected by ________.
a. A GFCI b. An enclosure c. A guarding d. Its property
85. Existing luminaires and lighting outlets and ceiling suspended fans horizontally in the area extending between 1500mm and 3000mm horizontally from the inside wall of the pool shall be protected by GFCI unless installed ____ 1500mm.
a. Not less than b. Less than c. More than d. At
86. In a wet-niche luminaire the equipment grounding conductor shall not be smaller than the supply conductor and not smaller than ____ AWG while in a dry-niche luminaire shall not be smaller than ____mm2.
a. 16, 3.5 b. 14, 3.5 c. 12, 3.5 d. 8, 3.5
87. A fixed or stationary electric and portable sign installed within a fountain shall be not less than ____ mm from the fountain (outside edges).
a. 1500 b. 1800 c. 3300 d. 4500
88. Receptacle outlets located within ____ mm of the fountain edge shall be provided by GFCI. a. 3000
b. 4000 c. 5000 d. 6000
89. A system other than the unit equipment in which orderly shutdown that is necessary to ensure safe operation.
a. Integrated electrical system b. Protection system
c. Separate system d. Electrical system
SOLAR PHOTOVOLTAIC SYSTEM
90. A mechanically integrated assembly of modules or panels with a support structure and foundation, tracker and other components, as required to form a direct current producing units.
a. Bipolar photovoltaic array b. Array
c. Blocking diode d. Hybrid system
91. A photovoltaic array that has two outputs, each having opposite polarity to a common reference point or center tap.
a. Bipolar photovoltaic array b. Array
c. Blocking diode d. Hybrid system
92. A diode used to block reverse flow of current into a photovoltaic source circuit. a. Silicon diode
b. Reverse diode c. Blocking diode d. All of these
93. A system comprised of multiple power sources. a. Hybrid system
b. Integrated multiple electrical system c. Multiple power system
d. Power system
94. The basic photovoltaic device that generates electricity when exposed to light a. Solar cell
b. Solar power generator c. Solar system
d. Photovoltaic cell
95. A complete aggregate of equipment used to convert chemical fuel into usable electricity. a. Fuel cell system
b. Fossil fuel system c. Nuclear power system d. Chemical system
96. For the output circuit of the system above, one conductor of a two wire system rated over ____ and a neutral conductor of a 3-wire system shall be solidly grounded either 6.92.5.1(a) or 6.92.5.1(b) a. 60v
b. 70v c. 80v d. 90v
97. In fire pump, the voltage drop at the controller line terminals shall not more than ____% below normal (controller rated voltage) under motor starting conditions.
a. 10 b. 5 c. 15 d. 8
98. The electric vehicle supply equipment cable shall have an overall length not exceeding __ ft. a. 12
b. 25 c. 50 d. 100
99. A ____ is a tank or vat I which electrochemical reactions are caused by applying electrical energy for the purpose of refining or producing usable materials.
a. Heating boiler b. Electrolytic cell c. Radiant heat d. Duct heater
100. Metal oxide surge arrester ratings are based on the magnitude and duration of overvoltage, the arrester location as affected by the following except______.
I. Switching surges
II. System grounding techniques III. Phase to ground faults
a. I and III b. I and II c. I, II, and IV d. None of these
