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Sounder device cabling should be arranged so that in the event of a fault at least one sounder will remain operational during a fire condition.  All metallic parts of a system including conduit and cabling should be well separated from any installed lightning protection system.

Sounder device cabling should be arranged so that in the event of a fault during a fire condition, at least one sounder will remain operational.

All metallic parts of a system including conduit and cabling should be well separated from any installed lightning protection system.


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