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ISO 22074-5:2021

Railway infrastructure — Rail fastening systems — Part 5: Test method for electrical resistance

May 26, 2021

General information

90.20     Apr 15, 2026

ISO

ISO/TC 269/SC 1

International Standard

45.080  

English   French  

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Scope

This document specifies a laboratory test procedure for determining the electrical resistance, in wet conditions, between the running rails provided by a fastening system fitted to a steel or concrete sleeper, bearer or element of ballastless track.
It is also applicable to embedded rail.
This test procedure applies to a complete fastening assembly. It is relevant to signalling currents, not to traction currents.
A reference procedure and an alternative procedure are included.

Life cycle

NOW

PUBLISHED
ISO 22074-5:2021
90.20 Standard under periodical review
Apr 15, 2026

National adoptions

Railway infrastructure - Rail fastening systems - Part 5: Test method for electrical resistance (ISO 22074-5:2021)

60.60   Standard published

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