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Will the HHTK trip a breaker that has current flowing through it?

Does the breaker needs to be turned OFF before using the Hand Held Test Kit?

Product Line:
Mircologic trip unit test kits
These test kits are for PowerPact M, P, R frame breakers and Masterpact NT and NW breakers.

Proper use of the HHTK

The breaker needs to be de-energized before connecting the test kit into the trip unit. For instruction bulletin see 48049-184-03.
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