State Legislatures' Websites

Hubble Space Photos

search NSSN - National Resource for Global Standards
ANSI American National Standards Institute
AS Standards Australia
ASME American Society of Mechanical Engineers
ASTM American Society for Testing and Materials
CSA Canadian Standards Association
IEC International Electrotechnical Commission
IEEE Institute of Electrical and Electronic Engineers
ISO International Organization for Standardization
NEC  National Electrical Code (also see NFPA)
NECA National Electrical Contractors Association
NEIS National Electrical Installation Standards
NEMA National Electrical Manufacturers Association
NFPA National Fire Protection Association
NGC National Guideline Clearinghouse
NIST National Institute of Standards and Technology
NZS Standards New Zealand
UL Underwriters Laboratories

TOP HOME OTHER
SEARCH ENGINE LIST