Standard

Impedance Bond Inspection and Maintenance

Abstract

This standard provides procedures for inspecting and maintaining rail transit impedance bonds.

Document History
Document Number Version Publication Date Publication Related Information
APTA RT-SC-S-043-03 Rev. 1 12/04/2025 Published Current
APTA RT-SC-S-043-03 Original 09/28/2003 Published Superseded

Keywords

audio frequency, bond, impedance bond, inspection, maintenance, mini-bond, signal, traction power return cables, tuning unit

Summary

The rail transit impedance bond inspection and maintenance procedures in this document are to be performed when impedance bonds are placed in service; when they are modified, repaired or disarranged; or as otherwise deemed necessary by the rail transit agency.

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