Article 430 motors Article 440 air conditioning and refrigerating equipment

115%

Hermetic refrigerant motor compressors disconnect shall have an ampere rating at least ____ of the nameplate rated load current

115%

Continuous motors with a service factor of 1.15 or greater or with a marked temperature rise of 40 degrees Celsius, will have an overload device rated at 125% , all others at ____

Disconnecting means

A cord/plug/receptacle shall serve as an AC unit_____ rated 250 volts or less if the controls are readily accessible (within 6' off the floor)

50%

Air conditioners with lighting units or other appliances on the same branch circuit shall not exceed ____ of the branch circuit rating

Overload device

Each motor over 1 hp in continuous duty shall install an ____

Cord and plug

Portable motors of 1/3 hp or less can be ____ connected

Nameplate

Separate motor overload protection shall be based on ____ current rating.

10' / 6'

The cord for 120 volt AC units shall not exceed ___ and ____ for 208v or 240v units

15 amperes

The rating of branch circuit ,short circuit, and ground fault devices for motor compressors shall not be required to be less than ____

140%

When overload devices are not enough to hold motors , service factor 1.15 or greater or marked 40 degrees Celsius can raise up to while other motors can go up to 130%

72%

Wye start ,delta run motor compressors shall have conductors between the controller and the motor compressor rated at ____

58%

Wye start, delta connected motors shall have conductors between the controller and the motor rated at _____ of the motor full-load current

Permitted

An infused switch having a horsepower rating not less than the motor horsepower shall be _____ less than 115% of the full load current rating

125%

Branch circuit conductors for a single compressor shall have an ampacity not less than ____ of the motor compressor rated load current or the branch circuit selection, whichever is greater

Sum

Conductors feeding multiple motors shall have an ampacity of 125% of the highest rated motor plus the ____ of the full load currents of the other motots

125%

Conductors for continuous duty motors shall have an ampacity not less than ____ of the motor's full load current rating

The open position

Motor circuits over 600 volts shall be permitted out of of sight of the controller if its marked with a location warning label and is capable of being locked in _____

175%

Motor compressor branch circuit protective device shall have a rating not exceeding ____ of the motor compressor rated current

80%

Plug and cord air conditioners, where no other loads are applied, shall not exceed ____ of the branch circuit rating

115%

The disconnecting means for motor circuits rated 600 volts nominal shall have an ampere rating not less than _____