Features 1、Compatibility: Interlock kit is compatible with for Square D QO and for Homeline indoor or outdoor 100 or 125 amp panels, ensuring a secure connection for your generator power to any circuit in your home. 2、Safety Ensured: This kit prevents inconvenience caused by unexpected power outages. It is used to safely route generator power to any circuit in your home, offering a secure way to connect your generator while ensuring all household appliances remain in use. 3、Space Requirement: The distance between the main breaker and the generator breaker is 3/4 inches, ensuring proper spacing for effective power transmission. 4、Aluminum Alloy Material: Made of aluminum alloy, the SD 100A interlock kit is durable and reliable for secure and efficient generator connection. 5、Easy Installation: SD 100A generator interlock kit provides a 3/16 drill bit for easy penetration through the breaker panel. It is easy to install with no additional control box or wiring required. Specification Item Type: Generator Interlock Kit Mode: SD 100A Material: Aluminum Alloy Package List 2 x Interlock Plate 3 x Screw 3 x Nut 1 x Generator Startup Program Label 2 x Reminder Label 2 x Cable Tie 1 x Instruction Manual 1 x Drill Bit