Long Branch, New Jersey –– Wheelock, Inc., a leading manufacturer of advanced life safety, security and communications products, offers a line of weatherproof fire alarm appliances to satisfy ...

Audible & visual (AV) signaling devices are a range of signaling systems specifically designed for use in industrial environments, which are characterized by harsh conditions and are prone to risk of ...

There are significant dangers to technicians, operators, and other workers on the floor in settings employing crane hoists, and so it is imperative that everyone on the floor knows that a crane and ...

A new type of audible notification signal was introduced in the 2012 version of NFPA 72 that employs a low-frequency sound — in the 520 Hz range — when appliances are installed where people sleep. If ...

This Design Idea shows how a single microcontroller port can drive a lot of output lines through shift register. In this case we use the shift register with strobe control to achieve perfect output ...