Home -> X-10 X-10 Pro Passive Phase Coupler Our Price $33.95 Buy item(s) XPCP Passive Coupler. 1:1 ratio. Installs at the electrical panel to couple both phases of the 220V circuit. Allows X-10 Signal to transmit across both phases. NO Amplification. A must for all X-10 installations. Larger installations may require an XPCR Coupler/Repeater/Amplifier. Fits in single gang electrical box and accepts standard cover plates. Installation Sheet: Download Installation Sheet Related Items Worth Considering X-10 Pro 20 AMP Decora Style Switch X-10 Pro Coupler Repeater Amplifier X-10 Pro Decora Style Switch X-10 Pro Heavy Duty Appliance Module X-10 Pro Inductive Decora Style Switch X-10 Pro Light Duty Appliance Module X-10 Pro Passive Phase Coupler X-10 Pro Slave Decora Style Switch Buy item(s)