NEMA defines standards for various grades of electrical enclosures typically used in industrial applications. Each is rated to protect against designated environmental conditions. A typical NEMA enclosure might be rated to provide protection against environmental hazards such as water, dust, oil or coolant or atmospheres containing corrosive agents such as acetylene or gasoline. A full list of NEMA enclosure types is available from the NEMA website. Below is a list of NEMA enclosure suppliers.

• Fibox
• Bud Industries, Inc.
• Allied Moulded Products, Inc.
• Carlon, Thomas & Betts
• Penn Panel & Box Company
• Rittal Corporation
• Emhiser Micro-Tech
• Thomas & Betts Corporation
• Communication Cable Co.
• Electrorack
• American Products
• Rose + Bopla
• Tessco