Good day My senior colleagues, I designed a circuit to sound an alarm when mains goes off an sound Good day My senior colleagues, I designed a circuit to sound an alarm when mains goes off an sound ...

This circuit was designed to produce an audible alarm when the mains power is interrupted. Such an alarm is essential for anyone whose livelihood depends on keeping perishable foodstuffs in cold ...

Electrical system designers have at their disposal several types of fire resistive systems that comply with specific Code requirements. It can be helpful to ...

Article 760 covers the installation of wiring and equipment of fire alarm systems including all circuits controlled and powered by the fire alarm system. Article 760 covers the installation of wiring ...

While there are a lot of similarities between fire alarms and security systems, it is crucial to be aware of the differences, and wiring is one of the biggest. Like security panels, fire alarm control ...