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Transformer Fire in a Substation

If a fire occurs as a result of a failure in a transformer, then the transformer is nearly always a total write off. However,...

Design, installation, and inspection of fire alarm system audible signal devices...

Requirements for audibility of a fire alarm system (FAS) are governed by Article 3.2.4.19. of the National Building Code of Canada (NBCC). So, why...

Where are Smoke Alarms in the NEC?

Every so often, I receive a phone call inquiring where to find the requirements for smoke alarms for single-family dwellings in the National Electric...

Electrical Interlocks with a Building Fire Alarm System — Are we...

Design and installation of electrical equipment is a reasonably well understood and adjusted procedure. It is done in accordance with the safety requirements of...

Electrical Work Related to Fire Alarm Systems

Electrical installations related to fire alarm systems appear to be no different from other types of electrical work. A typical fire alarm system is...
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