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  • X10 PRO XPSS Momentary Slave Switch — Wiring Diagram

    September 08, 2026 1 min read

    Wiring diagram for the X10 PRO XPSS momentary slave (companion) switch used in 3-way lighting control setups.

    Full text manual (for reference)

    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.

    Overview

    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.

    Wiring Diagram

    X10 PRO XPSS Momentary Slave Switch wiring diagram showing primary switch (CONTROL, LOAD, NEUTRAL, LINE terminals) connected via traveler wires to companion switches, plus load and line connections
    Wiring layout: the primary switch's CONTROL terminal connects via top and bottom traveler wires to the companion switch(es)' SWITCH and LIVE terminals. The LOAD terminal connects to the 125VAC/20A load and neutral; LINE connects to 125VAC line power. Additional 3-way switches can be inserted between the traveler wires as needed.

    Key Terminal Reference

    • Primary switch terminals: CONTROL, LOAD, NEUTRAL, LINE
    • Companion (XPSS) switch terminals: SWITCH, LIVE
    • Load: 125 VAC, 20 Amp maximum
    • Traveler wires run between the primary switch's CONTROL terminal and each companion switch's SWITCH/LIVE terminals (top and bottom traveler runs)
    • Additional 3-way switches can be added in-line between the traveler wires for more control locations

    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.