Features Compatibility with 150A & 200A Panels - Designed for horizontal mains load center circuit breaker panel boxes, ensuring seamless installation for both indoor and outdoor generators Prevents Simultaneous Power Activation - This interlock kit guarantees that utility and generator power do not operate at the same time, safeguarding against potential power-related issues Hassle-Free Installation - Comes with a 3/16 steel drill bit for easy setup, mounting directly on the front of the breaker panel without the need for extra control boxes or wiring Durable Aluminum Alloy Construction - Crafted from thick aluminum alloy with a beveled, oxidized finish, this interlock plate offers enhanced durability and resistance to corrosion Safe Power Direction for Home Use - Directs generator power to any household circuit, ensuring safe access to essential appliances during outages while maintaining operational integrity Features: 1、Compatibility: Interlocking kit is compatible with horizontal mains 150 or 200amp load center circuit breaker panel boxes. Install indoor or outdoor generators. 2、Work Proc: Interlocking kit prevents utility and generator power from turning on at the same time, avoiding the inconvenience that may result from unexpected power outages. Suitable for 1-1/4in spacing between main breaker and generator branch circuit breaker. 3、Easy to Install: The generator interlock kit is supplied with a 3/16 steel drill bit that easily fits through the breaker panel. Easy to install, mounts on the front of the circuit breaker panel, no additional control boxes or wiring required. 4、Aluminum Alloy Material: The interlock plate is made of thick aluminum alloy, beveled and oxidized for resistance and a smooth finish. 5、Safe to Use: Interlock kit is used to safely direct generator power to any circuit in your home while ensuring you have safe acc to all household appliances. Specification: Item Type: Generator Interlock Kit Material: Aluminum Alloy, Steel Package List: 2 x Interlocking Plate 3 x Nut 3 x Screw 1 x Drill Bit 2 x Tie 2 x Sticker 1 x Instruction Manual Package List 2 x Interlocking Plate 3 x Nut 3 x Screw 1 x Drill Bit 2 x Tie 2 x Sticker 1 x Instruction Manual