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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.

If paint has been worn or scraped off a transformer during shipping, it must be repaired before the transformer is used.

A(n) ___ connection is a method of wiring transformers where both sets of secondary windings are connected in a delta connection, but one is reversed with respect to the other.

A(n) ___ connection is very similar to a T-connection.

When selecting a transformer it is important to consider ___.