Locked on. A latching device will remain active until reset.
The fire alarm activation, display, signaling, and auxiliary control system.
A list of tested equipment or materials published by a standards organization acceptable to the local Authority Having Jurisdiction and concerned with product evaluation and periodic inspection of production of listed equipment or materials. Listing agencies verify that appropriate standards of testing have been met for equipment applied in specified uses. The criteria for evaluation and identification of approved equipment varies from organization to organization. Some of the major listing agencies include ULI, FM, ULC, and CSA.
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