electrical panelboards, plug in bus duct systems, circuit breakers (cb), air circuit breakers (cb), molded case circuit breakers (cb), coil assemblies, vacuum circuit breaker (cb) distribution boards, electric heaters, fuses, standby power supply generators, center pivot meters, disconnecting switches, dry transformers, load centers, phase converters available from j&s circuit breakers, inc. based in los angeles, ca. click the links below to visit our website or contact us via our profile page.