- National Association of Electrical Distributors
- National Electrical Manufacturer Representative Association
- National Electrical Contractor Association
- Independent Electrical Contractors, Inc.
- Association for High Technology Distribution
Product Standards Links
- National Electrical Manufacturer Association
- Underwriters Laboratories Inc.
- American National Standards Institute
- CSA International
- The Institute of Electrical & Electronic Engineers
- Electrical Safety Foundation International
- National Fire Protection Association
Technical Information Links
- Electrical Apparatus Service Association
- Interpretation of the National Electrical Code
- Definitions, NEC Quizzes, Electrical Calculators & Formulas
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