Specifications: Conditions: New Type: Generator Interlock Kit Fits: For Siemens, Murry & ITE Sub Panels 100-200 Amp Material: Aluminum Alloy Color: as pictures shown Current Rating: 100-200 amps Terminal Type: Through Hole Number of Items: 1 Features: CNC Lathe, Precision Cutting Our generator lockout switches are made of heavy gauge CNC machined aluminum alloy and be chamfered for a smooth surface. they will not cut the user's hand or break. Anodized Surface Treatment This breaker interlock kit for generator is anodized surface treatment for a beautiful and long lasting professional appearance. You will love it! Drill Bit And Screws Supplied drill bit is made of steel and plated with PVD titanium on the surface with a metallic appearance, not fading, high hardness and wear resistance. The surface of our screws is galvanized, which is not easy to rust and durable. Package Included: 1 x Generator Interlock Kit (as pictures shown) Why is a generator interlock device so important? With aging electrical infrastructure and frequent severe weather, the power to your home frequently trips, which affects thousands of families nationwide. However, However, this can be very dangerous to use the utility and generator at the same time, causing circuit loads to burn out or generators to burn out, etc.. The National Electric Code Requires a Generator Interlock Device When Powering a Breaker Panel with a Generator. Failure to Install an Interlock Could Have Fatal Consequences to a Lineman or Utility Worker! What is a generator interlock kit? Generator interlock switch consists of two sliding metal plates held together by three bolts. It is a device just manual slide up and down interlock plate to allow safe back feeding of your home through a portable generator during power outages, preventing utility and generator supplies from being ON at the same time. Its used to direct the generator power to any circuit in your house safely in the event of an unexpected power outage, so that you can use electricity normally. Note: Only qualified personnel should be working on any panel box. An amateur should never open or work on a panel box. Please follow all rules and regulations of the National Electric Code.