Chapters One & Two
Define a tap conductor.
A conductor, other than a service conductor, that has overcurrent protection ahead of its point of supply that exceeds the value permitted for similar conductors that are protected as described elsewhere in 240.4.
Which article covers armored cable?
320
The combined voltage drop of feeder and branch-circuit conductors supplying sensitive electronic equipment shall not exceed ____.
2.5% (647.4(D) )
Which Chapter 8 article covers the requirements for network powered broadband systems?
830
True or false: Chapter 8 of the NEC covers communications systems and is not subject to the requirements of Chapter 1 through 7, except where the requirements are specifically referenced in Chapter 8.
True
A circuit is fed by a circuit breaker and supplies power to another panel. The conductors are ____ conductors.
Feeder
The curb or door sill of a transformer vault for an oil filled transformer shall not be less than ___ in height.
4 inches (450.43(B) )
A new RV park has 100 RV sites. How many sites must be served by a 30 amp, 125 volt receptacle?
70 (551.71(B) )
Where wind electric systems are connected to utility electric sources, the installation shall comply with the requirements of ___.
Article 705
The Codeology method teaches the Code user to always look at a question or need and identify ___ to begin in the Table of Contents.
Clues & keywords
An insulated grounded conductor of ___ or smaller shall be identified by a continuous white or gray outer finish, or by three continuous white or gray stripes.
6 AWG (200.6)
The current-carrying conductors installed in a cable bus shall have an insulation rating of ___ or higher.
75 degrees C (370.20 (A))
The ampacity of a 24 AWG copper control circuit conductor for a permanently installed roller coaster is ___.
2 A (Table 522.22)
Which type of coaxial cable types is a permitted substitution for plenum rated community antenna television cable (CATV) when used for network-powered broadband communication system?
CMP or BLP (820.154)
When an installation method is optional but must be allowed by the AHJ, which phrase is used to indicate this?
"shall be permitted"
True or false: The size of the AC grounding electrode conductor for size 1 AWG or 1/0 AWG copper service-entrance conductors is 6 AWG copper or 4 AWG aluminum or copper-clad aluminum.
True - 250.66
Raceways installed under metal corrugated roof decking must be supported so that the top of the raceway is ___ from the roof decking.
1.5 inches (300.4)
True or false: Ground fault circuit interrupter protection shall not be required in accordance with 210.8(B) for a 240 volt, 30 ampere receptacle installed on the exterior of a livestock barn on a farmstead.
True (547.28)
Upon failure of the normal supply, a legally required standby system is required to be available in ____ or less.
60 seconds (701.12 )
A surface-mounted panel is to be mounted in a hallway. According to ADA standards, what is the maximum distance the panel may protrude from the surface of the wall?
4 inches
The smallest standard ampere rating for a fixed-trip circuit breaker listed in the Code is ___.
10 A (240.6)
When a capacitor that operates at 1,000 volts or less is removed from an energized circuit, the charge on the capacitor shall be drained to ___ or less within ___.
50 V / 1 minute (460.6(A) )
The sealing compound used to seal a conduit at a Class I, Division 1 boundary must be at least ___ thick inside the sealing fitting.
16 mm
A(n) ______ must identify 15-ampere non-locking receptacles supplied by a COPS where other systems are present.
Illuminated face (708.10(A)(2) )
What is an example of explanatory material?
Informational notes
References to other standards
References to other sections of the NEC