FIA Technical Bulletin advises that pink sleeving is used to identify functional earths.
This denotes the use of a functional earth on fire alarm equipment, and how green and yellow sleeving denotes protective conductors on electrical installations, safeguarding against electric shocks.
By following these guidelines, outlined in BS 7671 and BS 5839-1, you can ensure the integrity, compliance and safety of your fire safety systems.
Read the full document on the FIA website: https://www.fia.uk.com/news/differences-between-fundctional-earth-and-protective-conductor.html
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