What good is a fire alarm system without an effective means of notifying building occupants when there’s a fire in progress? Not much.

The latest version of the UL standard for smoke detectors is designed to help ensure that devices can both detect a wider variety of fires, and avoid generating a nuisance alarm when there is not an emergency.

B Safe Inc., a regional provider of security and fire alarms to Delaware, Maryland, New Jersey and Pennsylvania, has continued to expand with the acquisition of Securitech Inc. of Wilmington, Del. and DC Security Systems of Toms River, N.J.