missed test questions

Where exposed tO the direct rays of the uns insulated conductors as being and jacketed cables installed in cable trays shall be sunlight resistant. a) listed (b) approved (c) identified (d) none of these

$92.10 Uses Permitted. Cable tray shal be permiued, to be used as a support system for wiring methods containing service conductors, feeders, branch circuits, communications circuits. control circuits, and signaling circuits. Single insulated condue tors shall be permitted in cable tray only when installed in accordance with 392.10(B) (1). Cable tray installations shall not be limited t o industrial establishments. Where exposed to direct rays of the sun, insulated conductors and jacketed cables shall be identified as being sunlight resistant. Cable trays and their associated fittings shall be identified for the intended use

Conduit bodies that are durably and legibly marked by the manufacturer with their volume can contain splices, taps, or devices. (a)True (b) False

(2) With Splices, Taps, or Devices. Only those conduit bodies that are durably and legibly marked by the manufacturer with their volume shall be permitted to contain splices, taps, or devi- ces. The maximum number of conductors shall be calculated in accordance with 314.16(B). Conduit bodies shall be suppor- ted in a rigid and secure manner.

When the opening to an outlet, junction, or switch point is less than 8 in. in any dimension, each conductor shall be long enough in. outside the opening of the enclosure to extend at least_ 6.(a) (b) (c) (d) 1 3 6 12

300.14 Length of Free Conductors at Outlets, Junctions, and Switch Points. At least 150 mm (6 in.) of free conductor, meas- ured from the point in the box where it emerges from its race- way or cable sheath, shall be left at each outlet, junction, and switch point for splices or the connection of luminaires or devi- ces. Where the opening to an outlet, junction, or switch point is less than 200 mm (8 in.) in any dimension, each conductor shall be long enough to extend at least 75 mm (3 in.) outside the opening

When supplying a room air conditioner rated 120V, the length of a flexible supply cord shall not exceed ft. (a) 4 (b) 6 (c) 8 (d) 10

440.64 Supply Cords. Where a flexible cord is used to supplya room air conditioner, the length of such cord shall not exceed 3.0 m (10 ft) for a nominal, 120-volt rating or 1.8 m (6 f) fora nominal, 208- or 240-volt rating.

Each commercial occupancy accessible to pedestrians shall have at least one sign outlet in an accessible location at each entrance to each tenant space supplied by a branch circuit rated at least. 15A 20A 30A 40A

600.5 Branch Circuits, Branch Circuit. Each commercial building and (A)Required each commercial occupancy accessible to pedestrians shall be provided with at least one outlet in an accessible location at each entrance to each tenant space for sign or outline lighting system use. The outlet(s) shall be supplied by a branch circuit rated at least 20 amperes that supplies no other load. A sign or oudine lighting eetlet shall not be required at entrances for deliveries, service sssérīdors, or service hallways that are inten- ded to be used ces tay service personnel or employees

Where the electric vehicle supply equipment located indoors is listed se suitable for charging electric vehicles with ventilation, mechanical ventilation: shall include permanently instaled lsupply and exhaust equipment located to intake from inside i the building and vent outdoors. true or false

625.52 Ventilation. The ventilation requirement .ent for charging an electric vehicle in an indoor enclosed space shall be deter- mined by 625.52(A) or (B). A (A) Ventilation Not Required. Where electric vehicle storage batteries are used or where the equipment is listed for charging electric vehicles indoors without ventilation, mechanical venti- lation shall not be required 4 (B) Ventilation Required. Where the equipment is listed_for charging electric vehicles that require ventilation for indoor charging, mechanical ventilation, such as a fan, shall be provi- The ventilation shall include both supply and exhaust rent and shall be permanently installed and located to fom, and vent directly to, the outdoors. Positive- sseure ventilation systems shall be permitted only in vehicle charging buildings or areas that have been specifically designed and approved for that application. Mechanical ventilation requirements shall be determined by one of the methods speci- fied in 625.52(B) (1) through (B)(4).

Which of the following shall bonded? of electrical equipment associated with əul pool (a) Metal parts water circulating System. (b) Pool structura metal. (G) Metal fittings within or attached to the pool. these (d) all of the above

680.26 Equipotential Bonding. B) Bonded Parts The parts specified in 680.26(B)(1) through (B) (7) sla be bonded together using solid copper conductors, insulated covered, or bare, not smaller than 8 AWG or with rigid metal conduit of brass or other identfied corrosion-resistant metal, Connections to bonded parts shall be made in accordance with 250.8. An 8 AWG or larger solid copper bonding conductor provided to reduce voltage grad: ents in the pool area shall not be required to be extended or attached to remote panelboards, service equipment, or elecue des.

Alternating-current systems of 50V to 1,000V that supply premses wiring systems shall be grounded where supplied Ka a three- phase, 4-wire. delta-connected system in which the midpoint of one phase winding is used as a circuit conductor. (a) True (b) False

Alternating-Current Systems of 50 Volts to 1000 Volts. Alternating-current systems of 50 volts to 1000 volts that supply premises wiring and premises wiring Systems shall be grounded under any of the following conditions: (1) Where the system can be grounded so that the maximum voltage to ground on the ungrounded conductors does not exceed 150 volts (2) Where the system is 3-phase, 4-wire, wye connected in which the neutral conductor is used as a circuit conduc- tor Alternating-Current Systems of 50 Volts to 1000 Volts. Alternating-current systems of 50 volts to 1000 volts that supply premises wiring and premises wiring Systems shall be grounded under any of the following conditions: (1) Where the system can be grounded so that the maximum voltage to ground on the ungrounded conductors does not exceed 150 volts (2) Where the system is 3-phase, 4-wire, wye connected in which the neutral conductor is used as a circuit conduc- tor

""Underground service conductors " are the underground conductiors between the service point and the first point of connection to the service- entrance conductors in a terminal box, meter, or other enclosure, the building wall. (a) inside (b) outside (c) above (d) aorb

Service-Entrance Conductors, Underground System. The serv ice conductors between the terminals of the service equipment and the point of connection to the service lateral or under. ground service conductors. (CMP-10) Informational Note: Where sernce equipment is located outside the building walls, there biay be no service-entrance conductors or they may be entirely outside the building.

The connection between the grounded circuit conductor and the equipment grounding conductor at the service is accomplished by installing a(n)___ bonding jumper. (a main (b) system (c)equipment (d)circuit

art 100 Bonding Jumper, Main. The connection between the groun- ded circuit conductor and the equipment grounding conduc- tor, or the supply-side bonding jumper, or both, at the service.