Frequently Asked Questions

What Nema rating should I use for my electrical enclosure?

Determine your Nema requirements based on the environment that your metal enclosure will be in below.

  • For Indoor General Purpose: Nema Type 1
  • For Outdoor, Dust-Tight, Rain-Tight, Sleet-Tight: Nema Type 3
  • For Outdoor Rain-Tight, Sleet-Resistant: Nema Type 3R
  • For Indoor & Outdoor, Water-Tight, Dust-Tight, Sleet-Resistant: Nema Type 4
  • For Indoor & Outdoor, Water-Tight, Dust-Tight, Corrosion-Resistant: Nema Type 4X
  • For Indoor, Dust-tight and Drip-Tight: Nema Type 12