Arc Fault Circuit Breaker Requirements

Afci in main panel.

Arc fault circuit breaker requirements. As of 2017 afci requirements have greatly expanded. Solve an afci tripping problem. Nfpa 70 national electrical code nec first required arc fault circuit interrupters afcis in the 1999 edition. A combination arc fault circuit breaker is not equivalent to a dual function circuit breaker.

An afci selectively distinguishes between a harmless arc incidental to normal operation of switches plugs and brushed motors and a potentially dangerous arc that can. Before 2008 afcis were only required to protect bedrooms. Afci arc fault circuit interrupter requirements for homes the arc fault circuit interrupter is designed to turn off an electrical circuit when an arc is detected that can lead to a fire or other hazardous conditions within the range of the protection that the afci is able to detect. Use afci circuit breakers to add arc fault protection to the entire length of existing circuits.

You ll find afcis in the main electrical panel or a subpanel. But beware the combination function that is identified on recently. This is simply a matter of locating the circuit s hot wires black red or blue that are connected to the circuit breaker and the circuit s neutral white wire and replacing the circuit breaker in the panel with the afci type. An arc fault circuit interrupter afci also known as an arc fault detection device afdd is a circuit breaker that breaks the circuit when it detects an electric arc in the circuit it protects to prevent electrical fires.

Arc fault circuit interrupters 2017 nec update the 2017 nec update has increased the requirements for arc fault circuit interrupters afcis. Reset an arc fault breaker like you would a standard circuit breaker. Afci and gfci requirements. So where are arc fault breakers required for 2017.

If you have a problem with an afci arc fault circuit interrupter shutting off in you main electrical panel you re not alone. Keep reading to find out. The 2005 edition required combination afcis which respond to both parallel and series arcs for all electrical circuits that supply outlets in bedrooms of new homes. Help create safer living spaces and provide valuable electrical safety and protection by understanding the requirements for afci and gfci protection.

While these devices were previously only required to protect the bedroom the 2008 nec now requires the technology to. With ever changing electrical code requirements a circuit breaker with the ability to provide both arc fault protection as well as ground fault gfci protection was long overdue. The national electrical code nec requirements for arc fault circuit interrupters afcis have become more stringent with each passing code cycle stirring up much discussion and debate among builders electrical contractors and other professionals involved in home construction.