Equipment Use In Occupancies

A receptacle shall not be grouped or ganged in enclosures with other receptacles unless they are so arranged so that voltage between adjacent devices does not exceed __________________ volts unless they are installed in enclosures equipped with identified, securely installed barriers between adjacent devices.

300 Volts 406.4 (G)

Flexible, fine-stranded cables used in PV systems shall be terminated only with terminals, lugs, devices or connectors that are ____________________________.

Identified and listed for such use 690.31 (F)

A disconnecting means shall be provided for all ungrounded conductors derived from a stationary battery system over __________ volts.

30 volts 480.5

A clearly labeled emergency shutoff or control switch for the purpose of stopping the motors that provide power to the recirculation system and jet system shall be installed at a point readily accessible to the users and not less than _________ feet away if a spa is installed in other than a single family dwelling.

5 feet 680.41

A 125V, 20 ampere rated receptacle installed in an agricultural livestock holding area which has an equipotential plane installed shall not require GFCI protection.

True False

False 547.5 (G)(1)

A transformer insulated with a dielectric fluid indentified as nonflammable shall be permitted to be installed indoors or outdoors. Such transformers shall be installed in a vault if installed indoors and rated over ____________________ volts.

35000 volts 450.24

An electric radiant heating panel installed in poured concrete shall not exceed a rating of ___________ watts per square foot.

33 watts per square foot 424.98 (A)

The attachment plug cap for the power supply to a mobile home shall be a 3-pole, 4-wire, grounding type, rated _________ amperes if the mobile home is supplied with a power supply cord.

50 amperes 550.10 (A)

In one and two family dwellings, PV source circuits and PV output circuits that do not include lampholders, fixtures, or receptacles shall be permitted to have a maximum PV system voltage of ______________ volts.

600 Volts 690.7 (C)

In a Class I, Zone 0 hazardous location threaded entries into explosion proof or flame proof equipment by rigid metallic conduit shall be made up with at least ____________ threads fully engaged.

Five threads 505.9 (E)

When flexible cords are installed in an ambient temperature in excess of ________ degrees Fahrenheit, the ampacity of the conductors of the cord shall be derated.

86 degree F 400.5(A)

Panelboards equipped with snap switches rated at 30 amperes or less shall have a maximum overcurrent protection of _____________ amperes.

200 amperes 408.36 (A)

Fixed outdoor electric deicing and snow-melting equipment shall be considered as a ____________________ load.

Continuous 426.4

The maximum length of an extra hard usage type, 12 AWG flexible cord that will provide interconnection of partitions for office furniture shall be __________ feet.

2 feet 605.4 (3)

The minimum length of flexible cord used to provide power to a cord and plug connected, permanently installed trash compactor in a single family dwelling is ______________.

3 feet 422.16 (B)(2)(2)

STOP

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A receptacle shall not be grouped or ganged in enclosures with other receptacles unless they are so arranged so that voltage between adjacent devices does not exceed __________________ volts unless they are installed in enclosures equipped with identified, securely installed barriers between adjacent devices.

300 Volts 406.4 (G)

Flexible, fine-stranded cables used in PV systems shall be terminated only with terminals, lugs, devices or connectors that are ____________________________.

Identified and listed for such use 690.31 (F)

A disconnecting means shall be provided for all ungrounded conductors derived from a stationary battery system over __________ volts.

30 volts 480.5

A clearly labeled emergency shutoff or control switch for the purpose of stopping the motors that provide power to the recirculation system and jet system shall be installed at a point readily accessible to the users and not less than _________ feet away if a spa is installed in other than a single family dwelling.

5 feet 680.41

A 125V, 20 ampere rated receptacle installed in an agricultural livestock holding area which has an equipotential plane installed shall not require GFCI protection.

True False

False 547.5 (G)(1)

A transformer insulated with a dielectric fluid indentified as nonflammable shall be permitted to be installed indoors or outdoors. Such transformers shall be installed in a vault if installed indoors and rated over ____________________ volts.

35000 volts 450.24

An electric radiant heating panel installed in poured concrete shall not exceed a rating of ___________ watts per square foot.

33 watts per square foot 424.98 (A)

The attachment plug cap for the power supply to a mobile home shall be a 3-pole, 4-wire, grounding type, rated _________ amperes if the mobile home is supplied with a power supply cord.

50 amperes 550.10 (A)

In one and two family dwellings, PV source circuits and PV output circuits that do not include lampholders, fixtures, or receptacles shall be permitted to have a maximum PV system voltage of ______________ volts.

600 Volts 690.7 (C)

In a Class I, Zone 0 hazardous location threaded entries into explosion proof or flame proof equipment by rigid metallic conduit shall be made up with at least ____________ threads fully engaged.

Five threads 505.9 (E)

When flexible cords are installed in an ambient temperature in excess of ________ degrees Fahrenheit, the ampacity of the conductors of the cord shall be derated.

86 degree F 400.5(A)

Panelboards equipped with snap switches rated at 30 amperes or less shall have a maximum overcurrent protection of _____________ amperes.

200 amperes 408.36 (A)

Fixed outdoor electric deicing and snow-melting equipment shall be considered as a ____________________ load.

Continuous 426.4

The maximum length of an extra hard usage type, 12 AWG flexible cord that will provide interconnection of partitions for office furniture shall be __________ feet.

2 feet 605.4 (3)

The minimum length of flexible cord used to provide power to a cord and plug connected, permanently installed trash compactor in a single family dwelling is ______________.

3 feet 422.16 (B)(2)(2)