Choose double or triple cell designs, ensure tight inside mounting with minimal gaps, and consider adding side channels for better seal against drafts.

Dig holes 1/3 the post height + 6" (e.g., 30" deep for a 6' fence). Use gravel at the base for drainage and concrete for stability.

Connect the equipment grounding conductor to the box's grounding screw using a pigtail - the green screw must make direct metal-to-metal contact.