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A(n) ___ test between the primary winding and secondary winding can be run to verify that all the windings are wired and operating correctly.

Insulation resistance tests should be conducted at a temperature of ___°F.

Because ___ contain polychlorinated biphenyls, a class of poisonous chemical, they have been banned by the EPA.

The type of electrical system determines the type of transformer required.

When two transformers are connected in parallel with each other, the connection of the two windings makes up a closed ___ circuit.

When selecting the two units in an open delta transformer configuration, they must be sized to operate at ___% or less of their rated capacity.

During insulation resistance testing, a transformer should not be in service and should not be connected to any ___.

For satisfactory operation of two or more transformers connected in parallel, all transformers should have the same ___.

Considering expansion, it may be more cost-effective to use a(n) ___ transformer from the beginning than to have to replace a transformer in the near future.

A(n) ___ transformer is a transformer used to make fine adjustments to the output voltage.