PEC NQS 2018
NO
(Yes or No) Boxes such as FS and FD or larger cast or sheet metal boxes are classified as conduit bodies.
NO
(Yes or No) Is Rigid Polyvinyl Chloride Conduit, otherwise known as PVC type conduit permitted to be installed in plenum ceilings, spaced above a hung ceiling or dropped ceiling used as a return of air for air conditioning system.
150 AMPERES**
A boiler employing resistance-type immersion heating elements contained in an ASME-rated and stamped vessel shall have the heating elements protected at not more than ___ amperes.
30.2 mm**
Boxes that enclose devices or utilization equipment supplied by 3.5 mm² or 5.5 mm² conductors shall have an internal depth that is not less than _____ mm.
8 TIMES**
In straight pulls, the length of the box or conduit body shall not be less than _____ the metric designator (trade size) of the largest raceway.
C.
Listed flexible metallic conduit is permitted as an equipment grounding conductor provided among others, the size of the conduit does not exceed which size? A. 16 mm dia. (trade size ½) B. 21 mm dia. (trade size ¼) C. 35 mm dia. (trade size 1 ¼) D. 53 mm dia. (trade size 2)
90°C
Luminaires shall be constructed, installed, or equipped with shades or guards so that combustible material is not subjected to temperatures in excess of _____°C
15,061.31 A
Main circuit breaker rated 800A 3-pole, 230 volts is served from a 300 kVA, three-phase transformer and 5% impedance. Assuming the source is an infinite bus and neglecting impedances other than the transformers. What is the symmetrical three-phase short circuit current that the circuit breaker has to interrupt?
50°C**
PVC conduit shall not be used where subject to ambient temperatures in excess of _____°C unless listed otherwise.
125 VOLTS, 30 AMPERES**
Plug fuses of the Edison-base type shall be classified at not over _____ volts and _____ amperes and below.
762 mm
The disconnecting means for shore power connection shall be readily accessible, located not more than _____ mm from the receptacle it controls, and shall be located in the supply circuit ahead of the receptacle.
ELECTROLYTE
The medium that provides the ion transport mechanism between the positive and negative electrodes of a cell.
20%**
The sum of cross-sectional areas of all contained conductors and cables at any cross section of the nonmetallic auxiliary gutter shall not exceed _____ percent of the interior cross-sectional area of the nonmetallic auxiliary gutter.
70%
What is the adjustment factor for 8 current-carrying conductors?
40%**
What is the maximum percentage fill allowed for 5 conductors in a conduit?
METRIC DESIGNATOR 16 (Trade size 1/2) METRIC DESIGNATOR 155 (Trade size 6)
What is the minimum and maximum size allowed to be used in RMC? Expressed the answers in both in metric designator and trade size.
3000 mm , 1800 mm**
Where a flexible cord is used to supply a room air conditioner, the length of such cord shall not exceed _____ mm for a nominal, 115-volt rating or _____ mm for a nominal, 208- or 230-volt rating.
15 m**
Where the Code specifies that one equipment shall be "in sight from," "within sight from," or "within sight of," and so forth, another equipment, the specified equipment is to be visible and not more than _____m distant from the other.
LORAN or MARINE LORAN or LONG RANGE NAVIGATION
______ is an instrument which indicates the watercraft's position on the chart.