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Transcript
CT SHORTING SWITCHES CT Shorting Switches •Relay Testing Used •Relay removal For •Reading current Isolation and voltage Primary Objective They must be fool proof Legacy Westinghouse (ABB) Schematic of the Westinghouse /ABB Design Test Plug • Test Plug Installed Current Jack Test plug plastic separator opens contact A thin strip of insulation between the two metal sides forces the current to flow through the test plug and ammeter for measurement Legacy General Electric Relay Coil CT Current In CT Current Out Shorting Bar
