Since the grounded (neutral) conductor is not permitted to be used for grounding the frames of dryers, these appliances require ____ power cords when receptacle connection is used.

When an existing dryer or electric range is replaced, NEC® 250.140 Exception ____ the grounded conductor of an existing individual branch circuit to be used for grounding the appliance frame.

Receptacles rated 30 amperes are referred to as ____, and receptacles rated 50 amperes are called ____.

NEC® 422.60(A) requires that an appliance nameplate show ____.

A "unit switch" used as a disconnecting means for an electric clothes dryer shall ____.

Dual-voltage rated pump motors are rated ____.

Where the values of branch circuit protection required for motors according to Table 430.52 do not correspond to standard ratings as listed in NEC® 240.6, the next ____ rating is permitted to be used.

Motor-circuit conductors are selected in accordance with ____.

A primary advantage of dc motors compared to ac motors is that ____.

NEC® 430.6(A) requires that the motor full-load amperes listed in Tables 430.247 through 430.250 be used to size all of the following, except for ____.

NEC® 110.14(C) states that for circuits rated 100 amperes and less, or for conductor sizes 14 through 1 AWG, conductor ampacity will be selected from the ____ column of Tables 310.16 through 310.19.

In general, motor-overload protection is required not to exceed ____ percent of a motor's full-load current.

Motors located outside of a residence, such as air-conditioning compressors or water pumps, are required to have ____.

If an electric water heater is located within sight of the panelboard that supplies it, a disconnect that opens all ungrounded conductors ____ required.

Because a water heater represents a continuous load, the branch circuit must be rated not less than ____ percent of the water heater nameplate rating.

The Code provides a number of different options for sizing overcurrent protective devices (fuses or circuit-breakers) for motor loads.  In all cases, the branch circuit conductors must be sized according to ____.

When a non-motor-operated electrical appliance is not marked with its overcurrent protective device rating, NEC® 422.11(E) states that the branch circuit overcurrent protection shall be ____.

Operating a 240-volt water heater (or other resistive load) at 208 volts will result in ____ heat output and ____ life.

An electric water heater is a continuous load which requires that the branch circuit rating must not be less than ____ of the nameplate rating.

An individual motor disconnect must be in sight of the motor controller and must disconnect the controller.  The NEC® definition of in sight means that the controller must be visible and not more than ____ from the disconnect.

NEC® 422.12 on central heating equipment requires that ____.

The total load of an air conditioner shall not exceed ____ percent of the rating of a separate branch circuit.

The total load of an air conditioner shall not exceed ____ percent of the rating of a branch circuit that also supplies lighting.

When a central air-conditioning unit label states "maximum fuse size 50 amperes," what type of circuit-breaker is permitted to provide running overload protection?

The disconnect for motor-driven appliances having a motor of greater than ____ must be within sight of the appliance.

According the layout of the laundry, complete the wiring diagram. Identify each conductor with a letter or use a color pencil.