Seg 2 Quiz 1

For a given conductor size, which material has the greatest ampacity?

• copper only
• copper-clad aluminum only
• aluminum only
• copper-clad aluminum and aluminum

Alternating current, general-use snap switches are UL-listed to control motors rated up to what horsepower?

• 1/2
• 3/4
• 2
• as marked on the switch

On isolated ground receptacles, the metal yoke __________ integrally bonded to the equipment grounding terminal of the receptacle.

• is
• is not

Snap switches with nonmetallic yokes (straps) have a terminal for the equipment grounding conductor. Using this type of switch provides a means for grounding ____________ faceplates when nonmetallic boxes are used.

• oversize (goof)
• metal
• nonmetallic
• recessed

When receptacles or switches have No. 6-32 screws secured to them with small pieces of cardboard, these pieces of cardboard must be _______ when the wiring device is installed in a metal outlet box.

• left in place
• removed
• replaced with metal lock washers
• none of these

The grounded (identified) conductor of 6 AWG or smaller must have an outer finish that is _______.

• white
• gray
• three continuous white stripes
• any of the above

Phase conductors 6 AWG and smaller ______ permitted to be re-identified as equipment ground conductors using green paint, tape, or other effective means.

• are
• are not

The NEC requires that switching be done only in ___________ conductors.

• designated
• black
• ungrounded
• red

The long slot on a 15-ampere, 125-volt, receptacle is the _____________ conductor

• phase "hot"
• equipment-grounding
• traveler
• grounded

Article 210 applies to branch circuits, but branch-circuit calculations are covered in ____.

• Article 250
• Article 230
• Article 220
• Article 240