Cut Sheet

Volume 8—Sensing Solutions CA08100010E—November 2012 www.eaton.com V8-A2-3

Appendix 2

Enclosure Ratings

NEC Definitions Pertaining to Hazardous Locations—Article 50

E51 Limit Switch Type Proximity Switches are rated for use in the following locations:

Class I Division 2, Groups A, B, C

or D—Indoor Use

For the definition of a Class I

Division 2 location, see

National Electrical Code

Article 500-5, paragraph (b).

For the definitions of Class I

Group A, B, C, D

Classifications, see the

National Electrical Code

Article 500-3, paragraph (a).

Class II Division 2, Groups For

G—Indoor Use

For the definition of a Class II

Division 2 location, see

National Electrical Code

Article 500-6, paragraph (b).

For the definitions of Class II

Group F and G

Classifications, see the

National Electrical Code

Article 500-3, paragraph (b).

Class III Division 2—Indoor Use

For the definition of a Class III

Division 2 location, see

National Electrical Code

Article 500-7, paragraph (b).

For the definitions of Class III

Classifications, see the

National Electrical Code

Article 500-7.