Watt Stopper/Legrand has developed a new relay panel to provide fail-safe emergency lighting in a variety of commercial settings. The Emergency Relay Panel option is UL924 listed for use on emergency ...

December 6, 2008 -- Carter & Crawley, Inc., is helping utility companies with power protection, monitoring and control with its new protective relay panels and integrated power distribution centers.

Pricey, dealer-installed smart-home systems have one thing in common: A wall-mounted panel with a flashy LCD to control everything. This is the feature that’s most difficult for a do-it-yourselfer to ...

This mini-series of articles describes how to build a computer’s CPU (central processing unit) out of relays. “Y” in English sounds like “guay” in Spanish (my mother tongue), a colloquial expression ...