Equipment approval

Electrical equipment is subject to a variety of local and federal requirements and approvals. 

Equipment approval requirements

• Minnesota rules part 3801.3619

• Minnesota rules part 3801.3620

Federal requirements

• Federal OSHA frequently asked questions

• Federal OSHA identifies the hazards of using non-listed electrical equipment

• Federal OSHA requirements for approval of electrical equipment

Frequently asked questions

• OSHA's Nationally Recognized Testing Laboratory (NRTL) Program

• OSHA NRTL frequently asked questions

• UL marks for North America

• CE marking - Wikipedia

• Nationally Recognized Testing Laboratory - Wikipedia

Standards

• NFPA 790: Standard For Competency Of Third Party Field Evaluation Bodies

• NFPA 791: Recommended Practice And Procedures For Unlabeled Electrical Equipment Evaluation

Testing laboratories

• List of OSHA Nationally Recognized Testing Laboratories

• Electrical engineers who have performed electrical equipment evaluations in Minnesota