The National Security Inspectorate (NSI) has published the latest revision (Issue 3) of its Code of Practice for the Design, Installation, Commissioning and Maintenance of Access Control Systems (NCP 109). No company shall hold out or claim that it adheres to this Code, save by virtue of holding NSI approval, or having obtained the. The lead author for this document is Lisa M. Benson, Strativia, under contract to the Standards Coordination Office of NIST. Additional guidance, initial research, and review of the document were provided by the staff of the Standards Coordination Office of NIST including: Mary Donaldson, Gordon. In 2020, the National Electrical Code (NEC) modified its requirement for barriers to be included in all service equipment and relocated the code under 230. The NEC also expanded the types of service equipment to which the code applies. While the original code covered panelboards. Renamed as “National Safety Instruction and Guidance” which now incorporates and replaces NSI 1 Issue 7 and NSI 1 Guidance Issue 4. Reformatted and significant changes highlighted Key Changes. NETA, the InterNational Electrical Testing Association, is a nonprofit organization that develops and publishes standards for electrical testing. Headquartered in Portage, United States, NETA has members around the world.