Digital Receiver & GFCI Circuit Tester. Fully automatic operation. Positively identifies circuit breakers and fuses without service interruption. Self calibrating. Visual and audible indicators. 2-year warranty. Branch Circuit Analysis and Testing. Proper wiring is crucial to ensure safety and performance of Branch circuits. From a safety perspective, shock hazards and fires are mainly due to poor installation or failure of protective devices, such as GFCIs. From a performance perspective, electrical equipment and high-tech devices are found everywhere in residential and commercial buildings. They require reliable power to operate and function properly to ensure their longevity. IDEAL has a long history of providing the professional electrician with the tools and knowledge required to safely and efficiently verify and analyse Branch Circuits. So, whether you are; conducting routine measurements, testing installed devices or the integrity of a Branch Circuit, locating a breaker, or tracing wires, IDEAL has the tools for the job.