Zircon CF12 Pro Circuit Breaker Finder with Professional Accessories Finds breakers faster and more efficiently without trial-and-error work or accidental shutoffs Blades allow easy access to most outlets, including industrial 230 and 240 volt Alligator clips allow users to connect directly to exposed wires Light socket adapter makes it easy to find circuit breaker for finished circuits with lighting Have questions? Need more information? Call the Zircon Customer Service department at 1-800-245-9265, Monday-Friday 9am - 5pm PST. We'll be happy to help!