Building wire
Branch circuits
Feeders, Outside Branch Circuits
Services
Switches, Receptacles, and luminaries
100

A circle with a diameter of 1 mil

What is a circular mil

100

The circuit conductors between the final overcurrent device protecting the circuit and the outlet(s)

What is a branch circuit  NEC 100

100

The article that covers the ampacity of conductors for feeders. 

What is article 215

100

The conductors from the service point to the service disconnecting means

 What are Service conductors

100

100

The NEC article covers “Grounding and Bonding” 

What is article 250

200

The maximum size solid conductor that is permitted to  installed in a raceway

What is 10 AWG NEC 310.3(c)

200

Shall be provided with a means to simultaneously disconnect all ungrounded conductors at the point where the branch circuit originates.

What is a multiwire branch circuit 

210.4(B)

200

The article that covers the minimum rating and size of feeder conductors over 1,000 volts 

What is article

 215.2(B) 

200

The underground conductors between the utility electric supply system and the service point.

What is the service lateral



200

Defined in the NEC as a building or structure, or portion thereof, for educational, supervisory, or personal care services for more than four children seven years old or less.

What is a child care facility

406.2

300

This symbol is used to represent wire size Ø 

What is aught

300

The basic rule for connecting utilization equipment to multiwire branch circuits

What are only line-to-neutral loads

210.4(C)

300

This section of Article 225 addresses the rating of a disconnecting means for branch circuits and feeders 

What is article 

225.39 

300

The part of Article 230 that addresses services exceeding 1,000 volts, nominal

What is part VIII

300

Required to be securely fastened to the ceiling framing member by mechanical means such as bolts, screws, or rivets or by listed clips identified for use with the type of ceiling framing member(s) and luminaire(s)

What are Luminaires supported by suspended ceilings  

410.36(B)

400

This is the minimum size conductor for voltage ratings up to 2000 v

What is 14 AWG 310.3(A)

400

The type of receptacles serving kitchen countertops in dwelling units

What are GFCIs 

210.8(A)(6)

400

Cannot be less than for outside branch circuits and feeders operating at not over 1,000 volts, nominal

Horizontal clearances from buildings 

225.19(C)

400

Not permitted to be smaller than #8 copper or #6 aluminum

What are overhead service conductors.

230.23(B)

400

A point on the wiring system at which current is taken to supply utilization equipment

What is an outlet

500

Where installed in raceways this size and up shall be a stranded conductor

What is number 8 AWG 310.3(C)

500

This must be provided for outlets that supply dishwashers installed in dwelling unit locations

What is GFCI protection

210.8(D)

500

Shall be supported by messenger wire when spans are greater than 40 feet

What is Festoon lighting

225.6(B)

500

This wiring method is not permitted for use with service conductors rated for 1,000 volts, nominal, or less

What is type NM cable.

230.43(1) through (19)

500

Article covering Cord-and-Plug-Connected Equipment

What is article 406.4(E)