Recommended Practice

Wayside Signal DC Power System Inspection and Testing

Abstract

This recommended practice provides guidelines for inspecting and testing rail transit wayside signal dc power systems.

Document History
Document Number Version Publication Date Publication Related Information
APTA RT-SC-RP-002-02 Rev. 1 01/31/2025 Published Current
APTA RT-SC-RP-002-02  Original 09/22/2002 Published Superseded

Keywords

communication, dc, inspection, maintenance, power, signals, test, testing, wayside signal, wayside signal power system

Summary

Wayside dc power system inspection and testing procedures may be modified for each rail transit agency’s requirements but should contain the steps listed in this document as a minimum, with the intent of increasing reliability and reducing the risk of hazards and failures.

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