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September 08, 2026 1 min read
Wiring diagram for the X10 PRO XPSS momentary slave (companion) switch used in 3-way lighting control setups.
Wiring diagram for the X10 PRO XPSS Momentary Slave (Companion) Switch — used to add extra switch locations in a 3-way lighting control setup without needing an additional dimmer/switch module at each location.
The XPSS Momentary Slave Switch is a Decora-style paddle switch designed to be wired in as a "3-way traveler" companion to a primary X10 PRO switch/dimmer, controlling a single load from multiple locations. No separate LED or slave-switch module is required at the companion location — the XPSS switch itself serves as the traveler-connected slave.
Note: For a complete wiring reference including the full primary switch/dimmer installation instructions, see the manual for the specific X10 PRO switch/dimmer model being used with this companion switch.
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