Temperature provisions for circuits rated 100 amperes or less shall be assumed to be ____________ unless the equipment is listed and marked otherwise.

What is the allowable ampacity of each conductor where 6 current-carrying, 2 AWG, THW, copper conductors are installed in a raceway in an ambient temperature of 102° Fahrenheit?

When used as a grounding electrode, ground rings must be buried at a depth not less than _________ below the earth’s surface.

Which of the following is not required to be marked on a transformer nameplate?

What minimum size copper equipment grounding conductor is required for a branch circuit rated 110 amperes?

In commercial garages, where cords used for electrical vehicle charging equipment are suspended form overhead, it shall be arranged so that the lowest point of sag is at least ___________ above the floor.

What is the maximum rating for the separate overload protection of a 20 hp motor with a nameplate rating of 48.6 amperes, a marked temperature rise of 50° C, and a marked service factor of 1.05?

When adding an additional start button in a typical motor starter circuit, the added start button should be wired in ____________ with the existing start button.

Cablebus shall be securely supported at intervals not exceeding ___________.

Branch circuits larger than ___________ shall supply only nonlighting outlet loads.

Switching devices or disconnecting links provided in a busway run shall have a momentary rating ____________ the rating of the busway.

A location in which easily ignitable fibers or flyings are handled, manufactured, or used is classified as a ____________ location.

Each resistance type welder shall have an overcurrent protective device rated or set at not more than __________ of the rated primary current of the welder.

A new restaurant is equipped with both electric and gas cooking appliances. This restaurant has a total connected load of 367.5 kVA. Using the optional method of service load calculations, what is the total calculated service load for this restaurant?

A circuit in which any spark or thermal effect is incapable of causing ignition of a mixture of flammable or combustible material in air under prescribed test conditions is called a(n) ____________.

The metallic members of a communication cable sheath shall be bonded to a grounding electrode with a bonding conductor not smaller than ________.

When AFCI protection is required for dwelling unit outlets and ____________ and metal outlet and junction boxes are installed for the portion of the branch circuit between the branch-circuit overcurrent device and the first outlet, it shall be permitted to install a combination AFCI at the first outlet to provide protection for the remaining portion of the branch circuit.

A supplemental electrode is required where a single rod, pipe, or plate electrode is used for a grounding electrode system and the resistance to earth is ___________ or greater.

Resistors and reactors shall have a clearance of not less than __________ from combustible materials.

Grounding electrode conductor taps may be made from a common grounding electrode conductor if the common grounding electrode conductor remains without a splice or joint. One of the approved methods of making the tap connection is by the use of a copper busbar not less than ¼ in. thick and ________ wide.

Receptacles that provide shore power for boats, at a marina, shall be rated not less than ___________.

On a 4-wire, 3-phase wye circuit where the major portion of the load consist of nonlinear loads, ____________ is/are present in the neutral conductor.

When the branch circuit supplies two or more receptacle outlets, which of the following would be allowed to be connected to a 30 ampere rated circuit?

A compartment or chamber to which one or more air ducts are connected and that forms part of the air distribution system is referred to by the N.E.C. as a(n) ____________.

What minimum size THW copper conductors are required to supply a 3-phase, 25 hp, 460 volt motor?