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What is the purpose of a Fifth Jaw kit? <br /><br />

The Fifth Jaw is required for the watthour meter to accurately calculate the KW useage when the meter is used on a 120/208Vac, 1 Phase / 3 Wire system. The Fifth Jaw is connected to the system neutral. The KW used is calculated by summing the KW used by each phase to neutral.

CTA-ID : 2004008
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