EE Laws: PEC
bonding
A means external to enclosures for connecting inter system _______________ conductors shall be provided at service equipment or metering equipment enclosure and disconnecting means of buildings or structures supplied by a feeder. *page 116*
equipment bonding jumper
A(n) ______________ shall be used to connect the grounding terminal of a grounding-type receptacle to a grounded box. *page 127*
in the same raceway or cable, in close proximity in the same trench
All conductors of the same circuit shall be ___________________, unless otherwise specifically permitted in the Code. *page 156*
damage the wiring method, prevent compaction of the fill, contribute to the corrosion of the raceway
Backfill used for underground wiring shall not ___________________________. *page 156*
other cables, raceways, nonelectrical equipment
Cable wiring methods shall not be used as a means of support for ___________________. *page 159*
True
Ceiling-support wires used for the support of electrical raceways and cables within non-fire rated assemblies shall be distinguishable from the suspended-ceiling framing support wires (T/F). *page 159*
sealed or plugged
Conduits or raceways through which moisture may contact live parts shall be _____________ at either or both ends. *page 156*
listed
Contact devices or yokes designed and __________ as self-grounding can establish the grounding circuit between the device yoke and a grounded outlet box. *page 128*
150 mm
Direct-buried service conductors that are not encased in concrete and that are buried 450 mm or more below grade shall have their location identified by a warning ribbon placed in the trench at least _________ above the underground installation. *page 157 table*
True
Ferrous metal enclosures for grounding electrode conductors shall be electrically continuous, from the point of attachment to cabinets or equipment, to the grounding electrode. (T/F) *page 112*
22 mm2 (4 AWG) copper
In an AC system, the size of the grounding electrode conductor to a concrete-encased electrode shall not be required to be larger than a(n) ______________ copper conductor. *page 112*
grounded
It shall be permissible to ground meter enclosures located near the service disconnecting means to the _______________ circuit conductor on the load side of the service disconnect, if service ground-fault protection is not provided. *page 127*
False, 20A or less
Listed liquidtight flexible metal conduit (LFMC) is acceptable as an equipment grounding conductor when it terminates in listed fittings and is protected by an overcurrent device rated *60A or less* for metric designators 12 through 16 trade sizes 3/8 in. through 1/2 in. (T/F) *page 122*
True
Metal gas piping shall be considered bonded by the equipment grounding conductor of the circuit that is likely to energize the piping. (T/F) *page 118*
shall be continuous
Metal or nonmetallic raceways, cable armors, and cable sheaths ___________________ between cabinets, boxes, fittings or other enclosures or outlets. *page 160*
metallically
Metal raceways, cable armors, and other metal enclosures shall be _________________ joined together into a continuous electric conductor so as to provide effective electrical continuity. *page 159*
dust, loose stock, flammable vapors
No wiring of any type shall be installed in ducts used to transport ____________________. *page 163*
be firestopped using approved methods
Openings around electrical penetrations into or through fire-resistant-rated walls, partitions, floors or ceilings shall _________________ to maintain the fire-resistance rating. *page 162*
True
Raceways, cable assemblies, boxes, cabinets, and fittings shall be securely fastened in place. (T/F) *page 159*
Service
The conductors and equipment from the electric utility that deliver electric energy to the wiring system of the premises is called a "______________". *page 12*
insulated
The receptacle grounding terminal of an isolated ground receptacle shall be connected to an ________________ equipment grounding conductor run with the circuit conductors. *page 128*
600 mm
What is the minimum requirement for direct burial type UF cable installed outdoors? *page 157 table*
5.5 mm2
What is the minimum size copper equipment bonding jumper for a 40A rated circuit? *page 124*
22 mm2 (4 AWG) copper
What is the minimum size copper supply side bonding jumper for a service raceway containing 100mm2 (4/0) THHN aluminum conductors? *page 117 table*
False, are not permitted
When installed under-metal corrugated sheet roof decking, cables, raceways, and enclosures *are permitted* in concealed locations of metal corrugated sheet decking type roofing if they are at least 50 mm away from a structural support member (T/F). *page 155*
450 mm
When installing PVC conduit underground without concrete cover, there will be a minimum of ____________ of cover. *page 157 table*
bushing or terminal fitting
When installing direct-buried cables, a _____________, shall be used at the end of a conduit that terminates underground. *page 156*
both
Where independent support wires of a ceiling assembly are used to support raceways, cable assemblies, or boxes above a ceiling, they shall be secured at ______________ ends. *page 159*
15
Within sight means visible and not more than ______ m distant from the equipment. *page 8*
Cover
______________ is defined as the area between the top of direct-burial cable and the top surface of the finished grade. *page 157*
True
A box or conduit shall not be required where cables enter or exit from conduit or tubing that is used to provide cable support or protection against physical damage. *page 160*
38 mm
A cable, raceway, or box installed under metal-corrugated sheet roof decking shall be supported so the top of the cable, raceway, or box is not less than ______________ from the lowest surface of the roof decking to the top of the cable, raceway, or box. *page 155*
Ground-Fault Circuit Interrupter (GFCI)
A device intended for the protection of personnel that functions to de-energize a circuit or portion thereof within an established period of time when a current to ground exceeds the values established for a Class A device, is a(n) ______________________. *page 7*
True
A grounding electrode conductor shall be permitted to be run to any convenient grounding electrode available in the grounding electrode system where the other electrodes, if any, are connected by bonding jumpers as per 2.50.3.4(C). (T/F) *page 112*
two
A listed exposed work cover can be the grounding and bonding means when the device is attached to the cover with at least ____________ permanent fastener(s) and the cover mounting holes are located on a non-raised portion of the cover. *page 127-128*
reducing washers, concentric knockouts, eccentric knockouts
Bonding jumpers for service raceways shall be used around impaired connections such as __________________. *page 115*
in close proximity
Each direct-buried single conductor cable must be located ____________ in the trench to the other single conductor cables in the same parallel set of conductors, including equipment grounding conductors. *page 156-157*
True
Fittings and connectors shall be used only with the specific wiring methods for which they are designed and listed (T/F). *page 160*
True
The equipment grounding conductor shall not be required to be larger than the circuit conductors. (T/F) *page 123*
color, tagging, other effective means
The independent support wires for supporting electrical wiring methods in a fire-rated ceiling assembly shall be distinguishable from fire-rated suspended-ceiling framing support wires by ___________________________. *page 159*
wet
The interior of underground raceways shall be considered a ___________ location. *page 156*
1. Be accessible for connection and inspection. 2. Consist of a set of terminals with the capacity for connection of not less than three intersystem. 3. Not interfere with opening the enclosure for service, building/structure disconnecting means
The intersystem bonding termination shall ___________________________________. *page 115*
cross-sectional area
When ungrounded circuit conductors are increased in size, the equipment grounding conductor must be proportionately increased in size according to the ____________ of the ungrounded conductors. *page 124*
listed bushings or listed grommets
Where Type NM cables pass through cut or drilled slots or holes in metal members, the cable shall be protected by __________ which are installed in the opening prior to the installation of the cable and which securely cover all metal edges. *page 155*
not less than 32 mm from
Where cables and nonmetallic raceways are installed parallel to framing members, the nearest outside surface of the cable or raceway shall be ___________ the nearest edge of the framing member where nails or screws are likely to penetrate. *page 155*
True
Where conductors are run in parallel in multiple raceways or cables and include an equipment grounding conductor of the wire type, the equipment grounding conductor must be installed in parallel in each raceway or cable, size in compliance with 2.50.6.13 (T/F). *page 125*
1.6 mm
Where nails or screw are likely to penetrate nonmetallic-sheated cable or ENT (electrical nonmetallic tubing) installed through metal framing members, a steel sleeve, steel plate, or steel clip not less than ________ in thickness shall be used to protect the cable or tubing. *page 155*
22 mm2
Where raceways contain insulated circuit conductors ____________ mm2 and larger, the conductors shall be protected from abrasion during and after installation by a fitting that provides a smooth, rounded insulating surface. *page 155*
one
Where the box is mounted on the surface, direct metal-to-metal contact between the device yoke and the box shall be permitted to ground the receptacle to the box if at least ____________ of the insulating washers of the receptacle is (are) removed. *page 127*
ungrounded supply conductors
Where ungrounded supply conductors are paralleled in two or more raceways or cables, the bonding jumper for each raceway or cable shall be based on the size of the ____________________ in each raceway or cable. *page 117*