Letter must be caulked front and back

Sufficient drain holes

Bonding with wire-front (ground) Bonding plastic conduit (N.E.C.)

Building seal non-metallic (Gemini) letter

Bonding methods for non-metallic (Gemini) channel letter 2 options shown, either one sufficient

Through wall / Building Seal

Transformers & High Volt Boxes - Damp or Dry

Transformers & High Volt Boxes - Behind Wall Exposed

Transformer In Enclosure

Disconnect Switch

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