70/31 Enclosures
Mr. David Kendall
Director-Industry Affairs
Thomas & Betts Corp.
8155 T&B Blvd.
Memphis, TN 38125-8888 USA
Phone: 901-252-8879
Fax: 901-252-1333
Email: david.kendall@tnb.com
Kezhen Shen
1300 N. 17th Street, Suite 900
Rosslyn VA 22209 USA
Phone: (703) 841-3288
Fax: (703) 841-3388
Email: kezhen.shen@nema.org
SCOPE To develop a tri-national standard for the requirements for enclosures for use in both non-hazardous and hazardous locations.STANDARDS
For Non-Environmental Considerations:
Canada’s CSA C22.2 No. 94.1
Mexico’s NMX J235/1 ANCE
USA’s UL 50
(IEC 60529 will be reviewed)

For Environmental Considerations:
Canada’s CSA C22.2 No. 94.2
Mexico’s NMX J235/2 ANCE
USA’s UL 50E

85. Enclosures – non Hazardous Locations
86. Special Purpose Enclosures
Publication Schedules