Commercial buildings require emergency lighting to facilitate the safe egress of occupants in the event of a power outage or other emergency. Emergency specifications that meet UL 924, Standard for ...

With the widespread application of natural gas in industrial, commercial, and residential environments, the gas control and ...

The control systems world is changing. Historically, process control systems—which include all industrial control, process control, supervisory control and data acquisition (SCADA), distributed ...

Smoke detectors, not the dampers, are connected to the fire alarm system (if present) in Chapter 7 applications as shown in Figure 6. Chapter 9 systems have various allowable methods for detection and ...