Siemens QA120AFCNP Plug-On Neutral 20A Combo Type Arc-Fault Circuit Interrupter New in sealed package Siemens introduces the new simple, spacious and secure Plug-on neutral load centers with electronic breakers. The Siemens Plug-On Neutral Combination Type AFCI breaker detects arcing faults (an unintentional arcing condition in a circuit) that standard circuit breaker are unable to detect. This AFCI circuit breaker is the same, reliable design, without the pigtail, specifically design for the Plug-On Neutral Load Centers. These breakers now only have a single load lug. The branch neutral conductor is returned to the neutral terminal bar for simpler and quicker wiring. Use to reduce the risk of electrical fires caused by arc faults LED trip indicators to help identify fault conditions CAFCI detects all 3 types of arc faults For use with 120V AC circuits Plug-On Neutral style breakers are designed for use in Siemens plug-on neutral load centers 10,000 AIC interrupting rating Suitable for use with 120 VAC fluorescent lighting SWD rated #14 - #8 AWG copper, #12 - #8 AWG aluminum wire range