A good indication that a motor may be overloaded is overheating, or in some cases not starting at all. For HVAC motors it can be as simple as belts that may be too tight, inadequate wiring, or voltage ...
When an overload device sized in accordance with 430.32(A)(1) and (B)(1) is not sufficient to start the motor, higher size sensing elements shall be permitted if the trip current does not exceed ____% ...
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