40 Practice 3

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 a Class I Division I area, optical fiber fill shall not exceed _____% of the cross sectional area of the conduit.

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

Knob and tube splices shall be _____, unless approved splicing devices are used.

Metal cable trays are permitted to be used as ______, where continuous maintenance and supervision ensure that qualified persons service and install the cable tray system.

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.

Temporary electric power and lighting installations shall be permitted for a period not to exceed ______ days for holiday decorative lighting and similar purposes.

The disconnect for low-voltage suspended ceiling power distribution systems must be _____, and within sight of the class 2 power source.

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 is the demand factor for eight 4,500 watt dryers using the standard method?

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

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

What size parallel copper conductors would you select, from the 75° C column, to cover a 349 amp load?

What table would you use to calculate three or more multi-family dwelling unit’s using the optional method?

Bundling adjustment factors do not do need to be considered when nipples are _____ inches or less.

What is the allowable ampacity of a #08 THWN-2 copper conductor in an area with an ambient temperature of 87°F in a conduit with 12 current carrying conductors?

What is the allowable ampacity of a #10 THWN-2 copper conductor in an area with an ambient temperature of 114°F in a conduit with 4 current carrying conductors?

What is the allowable ampacity of a 1/0 THWN-2 copper conductor in an area with an ambient temperature of 41°C in a conduit with 8  current carrying conductors?

What is the maximum ampacity permitted for a 1/0 XHHW copper conductor within a 4-inch RMC conduit containing 14 current-carrying conductors?

What is the allowable ampacity of a 3/0 USE-2 aluminum conductor with an ambient temperature 16° C?

What is the allowable ampacity of a 4/0 RHH copper conductor that is in an area with an ambient temperature of 107°F?

What is the allowable ampacity of a copper #12 THHN Conductor in a piece of 1 inch EMT with 9 current carrying conductors?

What is the ambient temperature correction factor for 159°F when selecting from the 90°C column?

What is the ambient temperature correction factor for an area that is 31°C when selecting from the 90°C column?

What is the ambient temperature correction factor in an area that is 27° C in the 90° C column?

What is the ampacity of a copper #12 THHW wire when in a piece of EMT with 5 current carrying conductors when terminating to 75°C terminals?

What is the bundling adjustment factor for 33 current carrying conductors installed in a piece of 2 inch EMT?

What is the multiplier for a continuous load?

Would you count a grounding or bonding conductor when figuring bundling adjustment corrections?

Under normal circumstances, you will size motor conductors using the _____?

What is the allowable ampacity reduction percentage for services rated 100-400 amp located in one and two family and multi-family dwelling units?

How many #8 conductors can you fit into a 4 x 1 1/4 round/octagonal box?

How many 1/0 THHW conductors can you fit into a piece of 3 inch RMC?

Non-metallic boxes shall be rated for the lowest _____ conductor entering the box.

The cubic inches of a number 10 conductor is?

What is the allowable pipe fill capacity of 1 inch EMT when using 5 conductors?

What is the cubic inch volume for a #6 conductor?

What is the maximum cross sectional area you can fill of a pipe if you only have 1 conductor?

What is the minimum size round/octagonal box would be required to fit five #12 Conductors?