I have a project at a above ground pool company. I need to install 7 GFCI receptacles in lot where pools are on display. I'm looking for a mount that is low profile and accessible. And very sturdy, a lot of foot traffic around pools.
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Might be pretty expensive though if you need a lot of them.
Might need to set them in some concrete if you want more stability than setting them in the dirt will provide. They are somewhat designed for use with direct bury cable, but is possible to run raceway to them.