Technical FAQs

Ask a Question

What exactly is a combination arc fault circuit interrupter or CAFI breaker?

A combination arc fault circuit interrupter combines branch/feeder protection with outlet circuit protection.
The branch/feeder AFI breakers only detect arcing in excess of 50A.  The combination CAFI breaker will detect arcing in excess of 5A.



CTA-ID : 2063066
Was this helpful?
What can we do to improve the information ?