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Leviton Phase Couplers
For 120/240V electrical systems, the Phase Coupler increases the speed and reliability of the UPB™ system.
- Although HLC is extremely robust and less susceptible to powerline conditions, Leviton recommends the use of a Phase Coupler in every HLC installation
- The HLC Phase Coupler mounts by the circuit breaker box and is used to connect the signal from L1 to L2 within the circuit breaker box
- The LED on the Phase Coupler confirms proper functionality
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