I had an outdoor junction box that wasn't clearly marked and I cut the breaker that was supposed to be powering that circuit but the line was still there hot. I found another breaker and two wires to this box! A good tool that is always at hand.
Neoteck Voltage Tester/Non Contact Voltage Tester 12-1000V/48-1000V Adjustable Sensitivity AC Voltage Detector Tester Pen Live/Null Wire Tester With LCD Display Buzzer Alarm Wire Breakpoint Finder
27 Review
Enhanced North American AC Electrical Outlet Receptacle Tester - Klein Tools RT110
9 Review
β‘οΈ Fluke T5600 Electrical Voltage, Continuity, and Current Tester: Accurate and Reliable Electrical Testing Solution
9 Review
VT500 Voltage Tester: 12V-300V Non-Contact & Contact, LCD Display, Buzzer Alarm & Wire Breakpoint Finder
21 Review
π‘ High-Quality Advance ICN-4P32-SC Electronic Fluorescent Ballast: Ideal for 4 Lamps, 32W T8, 120/277V
3 Review
Robertson Worldwide ISL432T8HEMV AH 3P20160 120-277V 50-60Hz High Power Factor 4 F32T8 Linear Lamp Fluorescent eBallast
6 Review
Fulham WorkHorse WH2-120-C Adaptable Ballast - 2 Pack
3 Review
Wireless Electronic Ballast Interface Certified
8 Review