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What is the difference between a QO1LO and an HOL1 handle lock-off accessory?

Product Line:
Circuit Breakers

Electrical Distribution Equipment

The QO1LO is a clamp for holding QO single pole handle in ``ON`` or ``OFF`` position;
The HLO1 is a clamp for holding QO or Q1 either 1, 2 or 3-Pole breaker handles in ``ON`` or ``OFF`` position
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