Licensed & Insured WA Contractor: BOLTEEL793K2 Serving Tacoma, Seattle, Bellevue & Puget Sound
    4.9 Rating (148+ Google Reviews) 24/7 Dispatch: (253) 224-3837
    BOLT WAElectric LLC • Tacoma, WA
    Backup Generator Wiring & Interlock Switches
    Specialty Electrical Service

    Storm-Proof Your Home with Generator Interlock Switches

    Don't get left in the dark during Western Washington windstorms. Bolt Electric installs generator interlock kits and manual transfer switches that allow you to plug a portable generator directly into your breaker box safely.

    3 - 5 Hours $650 — $1,850 4.9 Rating
    Backup Generator Wiring & Interlock Switches by Bolt Electric LLC

    Why choose Bolt for backup generator wiring & interlock switches?

    Safely power essential circuits like refrigeration, heating, and lights
    Prevents utility line backfeeding that endangers utility workers
    Far more affordable than a full automatic standby system

    What's Included

    • 30A or 50A outdoor generator inlet boxes
    • Custom mechanical interlock kit installation
    • Heavy-duty generator cord sets
    • Standby generator transfer switch panel wiring

    Our Specialty Process

    1

    1. Inlet Box Mounting

    We install an exterior weatherproof power inlet box.

    2

    2. Interlock Installation

    We fit a safety interlock slide onto your main panel cover.

    3

    3. Simulated Blackout Run

    We test run your generator to verify seamless power switchover.

    Frequently Asked

    Backup Generator Wiring & Interlock Switches Questions

    What is an interlock kit vs transfer switch?

    An interlock kit locks out the main breaker when generator power is on, letting you choose which panel circuits to power.

    Ready to schedule backup generator wiring & interlock switches?

    Bolt Electric LLC serves backup generator wiring & interlock switches across Tacoma, Seattle, Bellevue, and all of Puget Sound. Licensed, insured, and 4.9-star rated.