A transformer has a primary to secondary voltage ratio of 600:20. If the current in the primary is 60 amps, what is the current in the secondary?

A hearing conservation program shall be administered when employees are exposed to sound levels of 95 dbA for _______________ per day.

Anchorages used for attachment of personal fall arrest equipment shall be independent of any anchorage being used to support or suspend platforms and capable of supporting at least _______________ per employee or meet special conditions.

Which of the following cable types is an acceptable substitute for a Type CL3R cable?

Where a dc system consists of a 3-wire balancer set with overcurrent protection, the grounding electrode conductor shall not be smaller than _____________.

Fixed ladders in a manhole intended for personnel entry shall _______________.

Type NMC cable is not allowed to be used in which of the following applications?

How many 15 ampere branch circuits are required for the lighting of a 16 ft. x 70 ft. mobile home?

Which of the following statements is/are true regarding wind electric systems?
I. A surge protective device is not required to be installed between a small wind electric system and any loads served by the premises electrical system.
II. Wind turbine output circuits connected to one- and two-family dwellings shall be permitted to have a maximum voltage up to 600 volts.

What is the allowable ampacity of each conductor where 12 current-carrying, 3/0 AWG, THW, copper conductors are installed in a raceway?

In every bedroom of a dwelling unit, receptacle outlets shall be installed so that no point measured horizontally along the floor line of any wall space is more than _____________ from a receptacle outlet.

Exposed live parts of motors and controllers operating at __________ or more between terminals shall be guarded against accidental contact.

The momentary rating of X-ray equipment is a rating based on an operating interval that does not exceed ___________.

A section of 1 in. liquidtight flexible metal conduit that is not over 6 ft. in length may be used as an equipment grounding conductor for circuits rated not over _____________.

A disconnecting means shall be provided within sight of and within __________ of the operator’s station of an amusement ride at a fair.

Plate type grounding electrodes shall expose not less than ____________ of surface to exterior soil.

Where electrical switchgear operates at a nominal voltage to ground of 7,200 volts, the depth of the working space in the direction of live parts shall not be less than _______________ if a concrete wall is located on the other side of the working space.

Type PVC conduit is allowed within Class I, Division 1 hazardous locations when encased in a concrete envelope a minimum of 2 in. thick and provided with not less than ________ of cover measured from the top of the conduit to grade.

Raceways shall be used only as a means of support for other raceways, cables, or nonelectrical equipment where ______________.

Which of the following service conductors would be considered outside of a building where installed _______________.

What is the full-load current of a 1-phase, 230 volt, 5 hp motor?

When a 150 ampere rated feeder carries the entire load associated with a dwelling unit, the conductors shall be permitted to have an ampacity rating of not less than _________ of the rating of the feeder.

The ampacity of the conductors from the generator terminals to the first distribution device containing overcurrent protection shall not be less than ________ of the nameplate current rating of the generator.

Derating factors are not required to be applied for conductors installed in sheet metallic auxiliary gutters where the number of current-carrying conductors is _______ or less.

In general applications, Class 3 conductors must be separated by at least _________ from power conductors.