ISO 22074-5:2021
International Standard
Current Edition
·
Approved on
26 May 2021
·
Railway infrastructure — Rail fastening systems — Part 5: Test method for electrical resistance
ISO 22074-5:2021 Files
English
7 Pages
Current Edition
73.38 USD
ISO 22074-5:2021 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.
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