Isolator module
A loop device that disconnects a faulted section (typically a short circuit) so the remainder of the loop keeps operating.
When the panel shows 'isolator operated', the isolated section is your search area.
Fire Engineering Glossary
Technical terms spanning standards, manufacturers, commissioning, networking, testing and fault finding.
Technical guidance only. Confirm current project requirements against the applicable standards, legislation, system documentation and site-specific fire strategy.
Showing 2 of 2 matching glossary entries.
Loop
The two-wire circuit connecting addressable devices to the panel, normally wired as a ring so devices remain in communication from either direction if the ring is broken at one point.