Issue:
What is the difference in a breaker with a yellow test button and one with a black test button?

Product Line:
Circuit Breakers

Resolution:
QO and HOM breakers with a GFI suffix have a yellow test button. GFI breakers provide 5 mA ground fault protection for people.
QO and HOM breakers with an EPD suffix have a black test button. EPD breakers provide 30 mA equipment protection.
QO breakers with an EPE suffix have a black test button. EPE breakers provide 100 mA equipment protection.

Released for: Schneider Electric Canada