Answer... VDI and VDE recognized sub-committe NAMUR a Germany acronym for " Normen Arbeitsgen Mess Und Regeltechnik" interperted as "Standards Work Group for Instrument and Controls".
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Answer...The National Electrical Manufacturers Association formal documents/reports of electrical specifications of Motor Starters, Enclosures, ect.
NEMA Standards Publication No.250 'Enclosures for Electrical Equipment (1000 Volts Maximum)'
NEMA Standards Publication No.ICS6 'Enclosures for Industrial Controls and Systems'
2101 L Street Northwest, Washington, DC 20037
Answer... IEC 529 'Classification of Degrees of Protection Provided by Enclosures' , see IEC below.
QUESTION 3 What is a NEMA rating ???
QUESTION 2 What is an IP rating ???
QUESTION 5 What is CSA
QUESTION 4 What is JIC Designation ???
Answer... The Joint Industry Council (JIC) is an organization of interested companies and associations primarily concerned with safety, efficiency and maintenance of electrical apparatus as related to machine tools and similar industrial equipment. This concern lead to the publication of two Advisory Standards.
EMP-1 'Electrical Standards for Mass Production Equipment'
EGP-1 'Electrical Standards for General Purpose Machine Tools'
Joint Industry Council - 7901 Westpark Drive, McLean, VA 22101
Answer... The purpose of the Canadian Standards Association (CSA) is to establish, maintain and operate laboratories for the examination and testing of devices, systems and materials to determine their relation to hazards to life and property.
CSA Standard C22.2 No.14 'Industrial Control Equipment for Use in Ordinary (Non-Hazardous) Locations.'
CSA Standard C22.2 No.40 'Cut-out, Junction and Pull Boxes'
CSA Standard C22.2 No.94 'Special Purpose Enclosures'
Canadian Standards Association - 178 Rexdale Boulevard, Rexdale, ON M9W 1R3
QUESTION 6 What is UL
Answer... Underwriters Laboratories (UL) is a non-profit organization whose purpose is to establish, maintain and operate laboratories for the examination and testing of devices, systems and materials to determine their relation to hazards to life and property.
UL 50 - Cabinets and Boxes
UL508 - Industrial Control Equipment
UL870 - Wireways, Auxiliary Gutters and Associated Fittings
Underwriters Laboratories - 333 Pfingston Road, Northbrook, IL 60062
Answer... The International Electrotechnical Commission is a European organization similar in scope to UL and CSA in North America. It provides, through the IEC 529, a system for specifications based on the degree of protection required by an electrical enclosure (IP).
IEC 529 'Classification of Degrees of Protection Provided by Enclosures'
International Electrotechnical Commission, 1 Rue de Varembei, CH-1211, Geneva 20, Switzerland
QUESTION 7 What is IEC
ANSI Z55.1 - 1967 Gray Finishes for Industrial Apparatus and Equipment
American National Standards Institute, 1430 Broadway, New York, NY 10018
