Determines Suitability for Indoor, Outdoor or Corrosive Areas


Select a NEMA Rating to meet your particular installation site conditions, based on the following attributes:

Good:  NEMA 12 PIADs are suitable for indoor use and will resist exposure to dust.
Better:  NEMA 4 PIADs are suitable for outdoor use and will resist direct washdown and deluge rain conditions.
The Best:  NEMA 4X PIADs also resist direct washdown and deluge rain, while also providing high corrosion resistance.

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