Lighting Control Modules Simply Automated ZPCI-B Phase Coupler Breaker Box Reviews Posted On September 28, 2015 at 12:33 pm by bulbadmin / No Comments Simply Automated ZPCI-B Phase Coupler Breaker BoxProduct Features Breaker-Panel Phase Coupler (PN: ZPCI-B) boosts signals between phases in a home. Fits two breaker positions in a standard break Read More