Field glossary

Zone

An area conditioned and controlled on its own, with its own thermostat and damper

Used across 3 Anvilfield field guides, most in HVAC.

Also defined as

Electrical: The IEC-aligned likelihood method: Zone 0/1/2 for gas, Zone 20/21/22 for dust, an alternative to Divisions
Datacenter: A mapped area or cable circuit that alarms as a unit, sized small so a responder can find the leak fast

Where this shows up