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Does it matter in which direction a TCO is installed? Is there polarity?

April 26, 2017direction installed Polarity TCO

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Does it matter in which direction a TCO is installed? Is there polarity?

1 Answer

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There is no polarity but mounting direction can be critical in a pellet type TCO where the outer case is electrically “hot.” Thus, if it attached in the wrong way the TCO’s surface could short out and bypass the circuit from being opened at overheat.