Warning

[Doug]

Originally Posted by banditpowdercoat

A AFI would offer more protection, but I think one needs both?. A GFI will only trip if it senses current going to ground, not back on the neutral. One can have a short on a GFI, between the hot and the Neutral and it not trip. Conversly, a AFI only trips when it senses an arc. Be it to ground or neutral. Most cases a AFI would work. Not on halide lights, I'm not sure. But say a pump leaks some to the tank, a AFI won't pick that up, a GFI will. AFI's can also trip by just switching or unpluging components. Heaters can sometimes trip them as well.

Like everything in this hobby, nothing is foolproof

Yup, they wont fire halides. And yes, they do sometimes, {not often}, trip when pulling a plug. My home has AFI/GFI as standard breakers for both bedrooms and bathrooms. I believe its code here but not sure.

My office/fishroom, has that receptacle plus I installed a separate dedicated 15a line with its own GFI.