Every year, we read about electricians, engineers, and supervisors who were seriously burned or killed while working in or near a circuit breaker (CB) compartment. I’ve personally investigated ...

Wherever circuits need protection against current overloads or short circuits, you’ll find circuit breakers. They range from fingernail-sized devices for semiconductor protection to truck-sized ...

Table 100.19 from ANSI/NETA MTS-2011 provides recommended test voltages for proof testing and field testing medium-voltage power circuit breakers and switchgear. These three tests should be in your ...

To meet the needs of utility and electric power industry maintenance professionals, Doble Engineering Company will host this year's annual Finepoint Circuit Breaker Test & Maintenance Training ...

THE Electrical Research Association has recently reported an interesting development which has taken place in connexion with its programme of research on gas blast circuit breakers. Normally the ...

PC Series | GFCI/ELCI circuit breakers updated to meet latest UL 943 Standard including self test auto-monitoring and end-of-life indication. Please see GENERAL SPECIFICATIONS section of the datasheet ...

OMICRON's CIBANO 500 is the first 3-in-1 test system to combine a precise micro-ohmmeter, a multi-channel timing analyzer, and a powerful coil and motor supply in a single, lightweight device (20 ...