Conformance and Inspection Main Page

Conformance and Inspection

• Program Overview
  • NMRA Conformance and Inspection Policy
    This policy is explained in Section Q of the Executive Handbook.
  • NMRA has had a Self-Certification program since 2006. The manufacturer is allowed to fill in the forms provided below, sign them and submit them to NMRA for a Conformance Warrant number. NMRA reserves the right to test the product at any time to ensure the product continues to conform to the NMRA Standards.
• Submitting a Product
  • How to Submit a Product for Inspection Two copies of the product should be sent to the C&I Group, Standards & Conformance Department for inspection. Send an email to tech-chair [at] nmra.org to get the most appropriate mailing address. Send the submission forms referenced below with the products.
  • NMRA Car Inspection Form.doc    (Updated 10/31/2019)
  • NMRA Loco Inspection Form.doc   (Updated 1031/2019)
  • NMRA Turnout Inspection Form.doc
  • NMRA Crossing Inspection Form.doc
• Current NMRA Conformance Warrants
• Conformance Testing Procedures for DCC

DCC Conformance Testing

• DCC Decoder Conformance Test Tools

If you have a question or need assistance with a Conformance & Inspection issue that is not covered on these web pages, please contact us at tech-chair [at] nmra.org

Copyright (c) 2014 National Model Railroad Association. All Rights Reserved.
Updated 10/31/2019

National Model Railroad Association, Inc.
P.O. Box 1328, Soddy Daisy TN 37384-1328
Phone: (423) 892-2846 - Fax: (423) 899-4869