Lesson 5 quiz

Cable trays containing  conductors rated over 600 V shall have permanent, legible warnings stating _____.

Class I division 2 pendant luminaries, with rigid stems larger than _____ inches, shall provide permanent and effective bracing against lateral displacement.

For heaters that are installed in a Class I division 2 area, the heater shall not be in excess of _____% of the auto-ignition temperature in degrees Celsius.

For kitchen counter tops, what is the minimum width needed to require a receptacle?

For meeting rooms at least 12 ft. wide and 215 sq. ft., there are required to be a minimum of _____ floor receptacle outlet(s).

For mobile homes, when bonding the non-current carrying metal parts, you must use a minimum of _____ Awg conductor(s).

In a Class I Division 2 boundary the sealing fitting shall be permitted to be installed on either side of the boundary, within _____ ft. of the boundary.

In dwelling units, no less than one 15 or 20 amp receptacle shall be installed within _____ ft. of refrigeration or HVAC Equipment.

Metal underground gas pipe is permitted to be used as a grounding electrode conductor?

Outlet boxes shall be installed when on concrete, gypsum, plaster, or other non-combustible material set back no farther than _____ from the finish surface.

Using the optional method, what size over-current protection would you select for a load calculated at a total of 68,000 Va on a 120/240 system?

What color should you use to mark the high leg of a 4-wire, delta connected system?

What is the Va calculation per 1 ft. for multi-outlet assemblies that are going to used simultaneously?

What table do you use for lighting load demand factors?

How many amps would a 100W light bulb draw on a 120v circuit?

When branch circuits supply neon tubing luminaries they shall be on a circuit that is in not in excess of _____ amps.

When emerging from grade, underground wire should be protected from physical damage for a minimum of _____ ft.

When 1 ground rod or pipe is _____ ohms or less, an additional electrode is not required.

What type of communication cable is allowed to be run in a plenum?

When a branch circuit supplies neon signs, it shall not exceed ______ amperes.