Federal Pacific Stab Lok Circuit Breakers. A breaker cuts off the power to a circuit by tripping when it detects a circuit overload. In the very unlikelihood that one of the 20 amp single pole circuit breakers in the federal pacific panel were to fail the ul listed 60a 2 pole square d circuit breaker would trip thus protecting the federal pacific panel and all down stream equipment.
According to the results he submitted to the cpsc aronstein s tests showed that 51 of these circuit breakers failed to function properly. New vpkubif thick 20 amp 1 2 in. A breaker cuts off the power to a circuit by tripping when it detects a circuit overload.
This article gives expert advice about replacing fpe stab lok circuit breakers federal pacific electric stab lok breakers and discusses how to repair fpe stablok panels and circuit breakers for actual improvements in electrical safety.
The breakers would stab into slots in the bus bar and lock into place. These circuit breakers were manufactured and sold in the 1950s and 1960s and they have been used in millions of homes. Your first photo shows the standard fpe federal pacific electric embossed on the steel panel cover of the sub panel. 1 pole federal pacific stab lok type na replacement circuit breaker connecticut electric manufactures new high connecticut electric manufactures new high quality replacement circuit breakers for stab lok load centers that accept na style circuit breakers.
