2014 NEC Changes with OR Amendments

2014 NEC Changes with OR Amendments

RV 8.9.2014

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2014 NEC Changes with OR Amendments

RV 8.9.2014

Quiz 1

1. Being reached quickly for operation, renewal, or inspection without having to use tools, climb over, remove obstacles, or resort to portable ladders is known as ______.

• Instantly reachable
• Readily accessible
• Accessible
• Reachable

1. A battery subsystem consisting of _____ or more storage batteries and chargers shall include inverters, converters, and other electrical equipment.

• one
• two
• three
• four

1. A cable routing assembly is meant for a single or multiple channels as well as associated fittings, forming a structural system that is used to ______communication, fire alarm, and optical fiber cables.

• A. support
• B. protect
• C. route
• D. Both A and C

1. Communications equipment performs telecommunications operations for transmissions of ______.

• data
• video
• audio
• all of the answers provided

1. Communications equipment uses conductors dedicated solely to the operation of the equipment.

• True
• False

1. A communications raceway is an enclosed nonmetallic material meant for holding communication cables in ______applications.

• plenum
• riser
• general-purpose
• all of the answers provided

1. A unit of an electrical system, other than a conductor, that carries or controls energy as its principal function is a/n ______.

• device
• enclosure
• fitting
• raceway

1. The conductive path that provides a ground-fault current and connects normally noncurrent equipment together is known as an equipment grounding conductor or an EGC.

• True
• False

1. A combination consisting of a compressor and a motor, both of which are enclosed in the same housing with no external shaft or seals that contain the motor and operates in the refrigerant is known as a ______.

• refrigeration cooling system
• hermetic refrigerant motor-compressor
• sealable system
• separately derived system

1. A device that provides a means for connecting intersystem bonding conductors for communications systems to the grounding electrode system is known as an ______.

• Intersystem terminal
• Intersystem conductor
• Intersystem
• Intersystem bonding termination

1. Capable of being repositioned and assembled to support and power luminaires is known as a ______.

• lighting track
• ground fault path
• communication raceway
• none of the answers provided

1. The length of a lighting track can be altered by the ______of sections of track.

• addition
• subtraction
• both of the answers provided
• neither of the answers provided

1. ______locations are protected from weather and not subject to saturation with water or other liquids.

• Damp
• Wet
• Dry
• Moist

1. Examples of damp locations are ______.

• canopies
• marquees
• roofed open porches
• none of the answers provided
• all of the answers provided

1. “Premises wiring” is interior and exterior wiring that includes ______wired together with all their associated hardware, fittings, and wiring devices, both permanently and temporarily installed.

• power
• lighting
• controls
• signal circuits
• all of the answers provided

1. Power sources include, but are limited to, interconnected or stand-alone batteries, solar photovoltaic systems, other distributed generation systems, or generators.

• True
• False

1. Enclosed channels of ______materials designed expressly for holding wires, cables, or busbars, with additional functions as permitted in this Code, are known as raceways.

• metallic
• nonmetallic
• either of the questions provided
• neither of the questions provided

1. A raceway is identified within specific article definitions.

• True
• False

Quiz 2

1. A complete subassembly of parts and devices for field conversion of utilization equipment is known as a ______.

• raceway
• grounding conductor
• retrofit kit
• fitting
• device

1. Sealable equipment enclosed in a ______is provided with a means of sealing or locking so that live parts cannot be made accessible without opening the enclosure.

• case
• cabinet
• both of the answers provided
• neither of the answers provided

1. Can sealable equipment be operable without opening the enclosure?

• Yes
• No
• Equipment may or may not be operable.

1. An electrical source, other than a service, having no direct connection(s) to circuit conductors of any other electrical source, other than those established by grounding and bonding connections, is known as a ______.

• separately derived system
• non-separately derived system
• single-derived system
• multi-derived system

1. An arc-flash warning shall be located so that it can be clearly visible to qualified persons before ______.
2. examination
3. adjustment
4. servicing
5. maintenance
6. all of the answers provided

1. Electrical equipment, such as switchboards, switchgears, panelboards, control panels, meter sockets, and control centers in other than dwelling units must be ______to warn qualified persons of associated dangers with arc flashes.
2. field marked
3. factory marked
4. both of the answers provided
5. neither of the answers provided

1. Where caution, warning, or danger signs or labels are required by code, the markings shall adequately warn of hazards, using effective words and/or colors and/or symbols.
2. True
3. False

1. Where caution, warning, or danger signs or labels are required by code, the labels shall be permanently affixed to the ______.
2. A. equipment method
3. B. vehicle method
4. C. wiring method
5. D. only A and C
6. E. none of the answers provided

1. Field-applied hazard markings ______permitted to be hand written.
2. shall be
3. shall not be
4. not listed in code

1. Where caution, warning, or danger signs or labels are required by code, the labels shall be of ______to withstand the weather.
2. paper
3. laminated plastic
4. sufficient durability
5. engraved aluminum

1. Service equipment, other than in dwelling units, shall have a field marking ______.
2. of the maximum available fault current
3. of the date the fault-current calculation was made
4. that is sufficiently durable to weather
5. all of the answers provided
6. The fault-current calculation that was performed will need to be related to the required short-circuit current ratings of equipment.
7. True
8. False

1. Where a disconnecting means is required to be lockable in the open position, provisions for locking must remain in place whether or not the lock is ______.
2. fastened
3. installed
4. removed
5. replaced

1. ______connection locking provisions shall not be required to remain in place without the lock installed.
2. Device
3. Raceway
4. Protected
5. Cord-and-plug

1. Where equipment is rated 800 A or more and contains overcurrent devices, switch devices, or control devices, and where the entrance to the working space has a personnel door less than 25 feet from the working space, the door shall ______.
2. open in the opposite direction of egress and not be equipped with panic hardware
3. open in the direction of egress and not be equipped with panic hardware
4. open in the opposite direction of egress and be equipped with panic hardware
5. open in the direction of egress and be equipped with panic hardware

1. Outdoor electrical equipment shall be ______.
2. installed in suitable enclosures
3. protected from accidental contact by personnel
4. protected from accidental contact by vehicular traffic
5. protected from accidental contact by spillage or leakage from piping systems
6. any of the answers provided

1. Dedicated equipment space is the space equal to the width and depth of the equipment.
2. True
3. False

1. Dedicated equipment space extending from grade to a height of _____ above the equipment, shall be dedicated to the electrical installation.
2. 1 foot
3. 2 feet
4. 4 feet
5. 6 feet
6. 10 feet

Quiz 3 – Chapter 2

1. Multiple circuits shall be identified or grouped to correspond with the ungrounded circuit conductors by ______in at least one location within the enclosure.
2. wire markers
3. cable ties
4. similar means
5. all of the answers provided

1. The requirement for grouping or identifying shall not apply if the branch-circuit or feeder conductors enter from a ______unique to the circuit, which makes grouping identification obvious.
2. A. cable
3. B. raceway
4. C. device
5. D. unit
6. E. only A and B

1. The requirement for grouping or identifying shall not apply where branch-circuit conductors pass through a box or conduit body ______.
2. without a loop
3. without a splice
4. without a termination
5. all of the answers provided

1. A multiwire branch-circuit, consisting of an ungrounded and/or grounded circuit conductor, will be grouped by cable ties or other means, in at least ______within the panelboard or other point of origin.
2. one location
3. two locations
4. three locations
5. four locations

1. The requirement for grouping shall not apply if the conductors are identified at their terminations with ______corresponding to the appropriate circuit number.
2. colored wire markers
3. numbered wire markers
4. cable ties
5. zip ties

1. Receptacles installed within _____ of the outside edge of the sink must be GFCI protected.
2. 2 feet
3. 4 feet
4. 6 feet
5. 8 feet

1. Receptacles installed within _____ of the outside edge of the bathtub or shower stall must be GFCI protected.
2. 2 feet
3. 4 feet
4. 6 feet
5. 8 feet

1. Receptacles installed in laundry areas must be GFCI protected.
2. True
3. False

1. Receptacles installed within _____ of the outside edge of a rooftop unit must be GFCI protected.
2. True – 6 feet
3. False – 10 feet
4. False – receptacles do not have to be installed within the outside edge of a rooftop unit
5. False – receptacles on rooftops shall not be required to be readily accessible other than from the rooftop

1. Receptacles installed in ______must be GFCI protected.
2. garages
3. service bays
4. similar areas
5. vehicle exhibitions
6. all of the answers except vehicle exhibitions

1. GFCI protection shall be provided for outlets that supply ______installed in dwelling unit locations.
2. dishwashers
3. microwaves
4. ovens
5. refrigerators

1. All 15A and 20A, 120V branch circuits supplying dormitory outlets in ______require AFCI protection.
2. closets
3. hallways
4. living rooms
5. bedrooms
6. all of the answers provided and more

1. An individual branch-circuit shall be permitted to supply any load for which it is rated, but in no case shall ______.
2. the load increase the branch-circuit ampere rating
3. the load exceed the branch-circuit ampere rating
4. the load decrease the branch-circuit ampere rating
5. none of the answers provided

1. In no case shall the dwelling unit receptacle outlets be located more than _____ below the top of the basin.
2. 2 inches
3. 6 inches
4. 1 foot
5. 2 feet

1. A feeder that provides constant and/or non-constant loads and the minimum ______shall have an allowable ampacity of not less than the non-constant load.
2. feeder conductor size
3. grounding-conductor size
4. branch-circuit conductor size
5. receptacle conductor size

1. The minimum feeder conductor size shall have an allowable ampacity of not less than the maximum load to be served after the application of any ______.
2. adjustment
3. correction factors
4. both of the answers provided
5. neither of the answers provided

1. In no case shall the point of attachment be less than _____ above finished grade.
2. 2 feet
3. 4 feet
4. 6 feet
5. 8 feet
6. 10 feet

1. Only power ______conductors shall be permitted to be attached to a service mast.
2. service-drop
3. overhead service
4. both of the answers provided
5. neither of the answers provided

1. A grounding electrode conductor shall be connected between the grounding electrode system and the ______.
2. grounding conductor in each service equipment disconnecting means enclosure
3. equipment grounding conductor installed with the feeder
4. supply-side bonding jumper
5. any of the answers listed

1. Can a metal structural frame of a building be used as a conductor to interconnect electrodes that are part of the grounding electrode system?
2. Yes
3. No

1. A concrete-encased electrode of ______extending from its location within the concrete to an accessible location above the concrete shall be allowed.
2. conductor type
3. reinforcing rod
4. reinforcing bar
5. any of the answers provided

Quiz 4 – Chapter 3

1. Chapter 3 of the NEC covers ______.

• general requirements and materials for wiring methods and installations
• general requirements for signaling and communication systems
• special conditions for wiring
• grounding and bonding
• all of the answers provided

1. ______installed under a building shall be in a raceway.

• A. Cables
• B. Conductors
• C. Water pipes
• D. Vents
• E. Only A and B

1. When running conductors and cables in an environmental air plenum the nonmetallic cable ties and nonmetallic cable accessories used to secure and support these cables must be ______.

• listed as having low smoke properties
• listed as having low heat release properties
• listed as having both low smoke and low heat release properties
• black in color
• locked into position

1. An approved manner to close an opening in a cabinet or a cutout box would be to ______.

• use an approved cap
• use gray duct tape
• use black electrical tape
• use silver duct tape
• use plumber’s putty

1. A warning label must be applied to an enclosure that has a feed-through conductor. It must identify the closest disconnecting means for that feed-through conductor.

• True
• False

1. A drainage opening not larger than ______inch is permitted to be installed in conduit boxes that are used in damp or wet locations.

• 1/4 inch
• 5/16 inch
• 3/8 inch
• 7/16 inch
• 1/2 inch

1. Openings through which conductors enter boxes shall be closed in an approved manner.

• True
• False

1. Boxes can be supported from ______.

• a wood beam
• a metal beam
• a uni-strut
• any structural member

1. Screws used for attaching covers or other equipment to a box must be ______that ______the thread gage or the screws that were provided by the manufacturer.

• machine screws – match
• wood screws – match
• bolts – are self-taping and will work with
• sheet metal – are self-taping and will work with

1. Boxes that support luminaires or lamp holder outlets on a vertical surface must be _____.
2. identified
3. marked
4. both identified and marked
5. none of the answers provided

1. The maximum weight of a box mounted on a vertical surface to support a lampholder outlet is ______.

• 30 pounds
• 40 pounds
• 50 pounds
• 65 pounds
• no limit

1. A ceiling outlet, used only for supporting a luminaire or lamp holder, must be able to support at least ______.

• 30 pounds
• 40 pounds
• 50 pounds
• 65 pounds
• no limit

1. A ceiling outlet, used only for supporting a luminaire or lamp holder above the minimum required weight must list on the ______box the maximum weight that it shall be permitted to support.

• interior of the
• exterior of the
• cover plate for the
• manufacture’s literature in the

1. A guard strip must be installed to protect armored cables (AC) in an accessible attic. The strip must be ______.

• at least as high as the cables
• greater in height than the cables
• greater than 3/4 inches in height than the cables
• greater than 1-1/2 inches in height that the cables

1. Type MC Cable that has a corrosion-resistant jacket over its metallic covering can be used in wet locations when which of the following conditions is/are met?

• When the metallic covering is impervious to moisture.
• When a jacket resistant to moisture is provided under the metal covering.
• When the insulated conductors under the metallic covering are listed for use in wet locations.
• All 3 conditions are acceptable for use of Type MC in a wet location.

1. In vertical installations, listed Type MC Cables with ungrounded conductors 250 kcmil and larger, shall be permitted to be secured at intervals not exceeding ______.

• 3 feet
• 5 feet
• 8 feet
• 10 feet
• 12 feet

1. Type MC Cable of the interlocked armor type, in lengths not exceeding ______from the last point where it is securely fastened, is used to connect equipment where flexibility is necessary to minimize the transmission of vibration from equipment, or to provide flexibility for equipment that requires movement after installation.

• 3
• 5
• 8
• 10
• 12

1. Type RMC – Rigid Metal Conduit shall be secured within ______of each outlet box or other termination.

• 3 feet
• 5 feet
• 8 feet
• 10 feet
• 12 feet

1. Type RMC – Rigid Metal Conduit shall be increased to ______where structural members do not readily permit fastening at the aforementioned smaller interval.

• 3 feet
• 5 feet
• 8 feet
• 10 feet
• 12 feet

1. Type RMC – Rigid Metal Conduit shall not be required to be securely fastened within ______of the service head for above-the-roof termination of a mast.

• 3 feet
• 5 feet
• 8 feet
• 10 feet
• 12 feet

1. Type RMC – Rigid Metal Conduit shall be made from any one of the following materials except ______.

• steel with or without protective coatings
• red brass
• aluminum
• stainless steel
• PVC / ABS

1. Type FMC – Flexible Metal Conduit may be supported by listed flexible metal conduit fittings.

• True
• False

1. Rigid Polyvinyl Chloride Conduit (PVC) has been re-defined using the term ______instead of the term conduit to impart a more inclusive term for electricians.

• raceway
• round plastic pipe
• white pipe

1. Type LFNC – Liquidtight Flexible Nonmetallic Conduit can now be supported using listed LFNC fittings.

• True
• False

1. Number of Conductors and Ampacity. The adjustment factors in 310.15(B)(3)(a) shall be applied only where the number of current-carrying conductors, including neutral conductors classified as current-carrying under the provisions of 310.15(B)(5), exceeds ______at any cross section of the wireway.

• 10
• 20
• 30
• 40
• 50

1. A power distribution block may be installed on the line side of the service equipment if ______.

• it is listed for the purpose
• it is black in color
• it is non-metallic
• all of the listed answers
• none of the listed answers

1. In a metal wireway, the power distribution block will need to be installed in such a manner that the conductors are ______.

• visible
• accessible
• properly spaced
• unobstructed
• color matched

1. Surface metal raceways shall be ______in accordance with the manufacturer’s installation instructions.

• supported
• painted
• inspected
• color coordinated

Quiz 5 – Chapter 4