Article 215
FEEDERS
Article 220
Branch-Circuit, Feeder, and Service Calculations 1
Article 225
Outside Branch Circuits and Feeders
Article 230
Services
Article 240
Overcurrent Protection
200

Feeder grounded conductors not connected to an overcurrent device can be sized at _____ of the continuous and noncontinuous load.

100 percent 

Reference:215.2(A)(1) Ex 3x

200

When calculations in Article 220 result in a fraction of an ampere that is less than _____, such fractions can be dropped.

0.5 

Reference:220.5(B)

200

In accordance with Article 225 – Outside Branch Circuits and Feeders, the disconnecting means for a building supplied by a feeder shall be installed at a(an) _____ location.

readily accessible

 Reference:225.31(B)

200

Service conductors supplying a building or other structure shall not _____ another building or other structure.  

pass through the interior of 

Reference:230.3

200

Circuit breaker enclosures shall be permitted to be installed horizontally  where the circuit breaker is installed in accordance with _______

240.81

Reference:240.33

400

Where dwelling units are supplied by a feeder and the distribution equipment is ____, the required Type 1 or Type 2 SPD shall be installed.

replaced 

Reference:215.18(D)

400

For dwelling units, the calculated floor area for the general lighting load shall not include _____.

open porches 

Reference:220.5(C)

400

Open individual conductors shall not be smaller than _____ AWG copper for spans up to 50 ft in length and _____ AWG copper for a longer span, unless supported by a messenger wire.

10, 8 

Reference:225.6(A)(1)

400

The minimum service-entrance conductor size shall have an ampacity not less than the maximum load to be served after the application of any _____ or _____ factors.

adjustment or correction

 Reference:230.42(A)(2)

400

Circuit breakers shall _____ all ungrounded conductors of the circuit both manually and automatically unless specifically permitted otherwise.

open 

Reference:240.15(B)

600

Where a portion of a feeder is connected at both its supply and load ends to separately installed pressure connections in accordance with 110.14(C)(2), it shall be permitted to have an allowable ampacity _____ the sum of the continuous load plus the noncontinuous load.

not less than 

Reference:215.2(A)(1) Ex 2

600


Nondwelling unit motors rated less than _____ and connected to a lighting circuit shall be considered general lighting load.

600

In accordance with Article 225 – Outside Branch Circuits and Feeders, a building or structure shall be supplied by a maximum of _____ feeder(s) or branch circuit(s), unless specifically permitted otherwise.

one 

Reference:225.30.

600

One- and two-family dwelling emergency disconnecting means are permitted to be a listed disconnect switch or circuit breaker that is marked _____ for use as service equipment, but not marked as suitable only for use as service equipment, installed on the supply side of each service disconnect.

suitable 

Reference:230.85(B)(3)

600

Remote access for an adjustable trip circuit breaker is permitted to be achieved by being connected through a networked interface where the circuit breaker and associated software for adjusting the settings are identified as being evaluated for _____.

cybersecurity 

Reference:240.6(D)(2)(a)

800

Where a feeder supplies continuous loads or any combination of continuous and noncontinuous loads, the conductor ampacity shall be no less than the noncontinuous load plus _____ of the continuous load.

125 percent 

Reference:215.2(A)(1)

800

For dwelling unit load calculations in accordance Article 220, a load of not less than _____ for the laundry branch circuit shall be applied.

1,500 VA 

Reference:220.52(B)

800

For all other installations supplied by a feeder(s) or branch circuit(s) and not specifically identified in 225.39(A) through (C), the feeder or branch-circuit disconnecting means shall have a rating of not less than _____.

60A 

Reference:225.39(D)

800

Overhead service conductors installed over roofs shall have a vertical clearance of not less than _____ ft above the roof surface, unless a lesser distance is permitted by an exception.

Reference:230.24(A)

800


Standard ampere ratings for circuit breakers and fuses do not include _____.

a.10A

b.35A

c.75A

d.225A

1000

Where a premises wiring system contains feeders supplied from more than one nominal voltage system, each ungrounded conductor of a feeder shall be identified by phase or line and system by _____, ____, ______, or other approved means.

color coding

marking tape

tagging

Reference:215.12(C)(1)(a)

1000

Under the optional method for calculating a single-family dwelling unit service, general loads beyond the initial 10 kVA are assessed at a _____ demand factor.  

40 percent

 Reference:220.82(B)

1000

The emergency disconnecting means for one- and two-family dwelling units supplied by an outside feeder shall have a short-circuit current rating equal to or greater than _____.

the available fault current 

Reference:225.41(A)(2)

1000

Underground service conductors shall be protected from damage in accordance with _____ including minimum cover requirements.

300.5 

Reference:230.32

1000

Circuit breakers used to switch high-intensity discharge lighting circuits shall be listed and marked as _____.

HID 

Reference:240.83(D)

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