Ryan Mayfield led an informative discussion on the history of the NEC PV Hazard Control System rules and the latest changes to the UL 3741 standard.

Requirements for safety-relevant Human Machine Interfaces (HMIs) for train operators are becoming more common around the world. The evolution toward safety-relevant HMIs for train control is already ...

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 ...

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 ...

The US Army is once again looking for vendors to provide an Integrated Fire Control System (IFCS) for its M3E1 Multi-Role Anti-Armor Anti-Personnel Weapon System (MAAWS) recoilless rifle but with a ...

The new JaxPort container/trucking project required a one percent slope, not a specification most paving contractors are willing to guarantee, but Yates proved they were up to the challenge Placing ...

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

Crews at the National Space Defense Operations Center monitor objects and activities in space and will benefit from new command-and-control tools and applications. (Space Force) WASHINGTON — By the ...