Conformance and Inspection Main Page

Conformance and Inspection

• Program Overview
  • NMRA Conformance and Inspection Policy
    This policy is explained in Section Q-5 of the Corporate Policies and Procedures Manual.
  • 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. A production sample of the product should be sent to the C&I Group, Standards & Conformance Department for inspection. Send an email to CIManager [at] nmra.org to get the most appropriate mailing address for the Inspector conducting the product evaluation..
  • NMRA Car Inspection Form.dotx    (Updated 11/26/2023)
  • NMRA Loco Inspection Form.dotx   (Updated 11/26/2023)
  • NMRA Turnout Inspection Form.dotx (Updated 11/15/2023)
  • NMRA Crossing Inspection Form.dotx (Updated 11/15/2023)
  • TR-1-2023 Inspection Process and Procedures (12/30/2023)
• Current NMRA Conformance Warrants

• DCC Conformance Testing
  • Conformance Testing Procedures for DCC
  • 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 CIManager [at] nmra.org

Updated 12/30/2023