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Winter power outages can leave homes without heat. Using a portable generator connected through a generator interlock kit allows homeowners to safely feed backup power directly into their electrical panel, keeping heating systems and essential circuits running during a winter blackout.

Explore the history of major electrical panel manufacturers and learn why older panels from brands like ABB, GE, Eaton, and Siemens continue to work seamlessly with modern interlock kits.

We’re proud to introduce our new Lockable Interlock Kit — the simple, secure solution for locking out your generator breaker. Designed for safety, durability, and ease of use, this new hasp-style interlock makes it easy to prevent unauthorized operation in residential, commercial, or industrial settings.

Split bus panels present unique challenges when installing interlock kits due to their lack of a main breaker and reliance on the NEC 6-handle rule. Learn how InterlockKit.com provides custom solutions to safely integrate generator backup power with these older panel types.

Solar interlock kits are a safe, affordable way to connect solar power to your existing panel. Use our quick guide and compatibility chart to find the right kit based on your panel’s breaker spacing.

Wondering whether Interlock Kits are DIY friendly? Learn about doing it yourself vs contractor installation.

Zinsco and FPE panels pose serious fire risks due to faulty breakers. Learn why they’re dangerous and how to safely replace them.

Learn about our Authorized Interlock Kit Installers program—helping customers easily find qualified electricians for safe installations, while offering contractors exclusive referrals and loyalty reward

Breaker retainers keep your generator breaker secure and code-compliant. Learn why they matter and which type is right for your panel.

Safely connect a portable generator to your solar system with the Solar Interlock Kit. Prevent backfeeding, eliminate extra hardware.