GenSafety manufactures a very high quality line of generator breaker interlock kits. These interlocks are made of heavy gauge CNC machined aluminum and are then color anodized for a long lasting professional appearance. The kits come with everything needed to complete the job. 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! Once you have seen the quality of a GenSafety Interlock kit you won't settle for anything else. These interlocks look professional and they make you look professional as well! Please note - We do NOT sell this kit in New Jersey