Author: Anonymous

Autotransformer reduced-voltage starting is used for starting blower, compressor, conveyor, and pump motors over about ___ HP.

___ transformers are used to prevent a ground loop from causing problems in a circuit.

Autotransformer reduced-voltage motor starting reduces the applied motor voltage to 50%, 65%, or 80% of the ___ voltage when starting.

Sychronous motors have a ___-part motor.

The accuracy of a transformer is only affected by its design.

Current transformers typically consist of ___ winding(s).

The reason for fusing both sides of a control transformer is to protect the primary if there is a short in the secondary.

A(n) ___ transformer is a transformer used to supply low-voltage, low-power circuits, such as for doorbells, annunciators, and similar systems.

The most common control transformers have ___ primary coils and one secondary coil.

A(n) ___ device must be provided to cause the main switch or common overcurrent protection device to open if the load reaches 125% of its rating.