Jim Dollard has an extensive background in codes and standards. Send questions about the National Electrical Code (NEC) to Jim at codefaqs@gmail.com. Answers are based on the 2020 NEC. Is an Airbnb space a guest room? The...

Jim Dollard has an extensive background in codes and standards. Send questions about the National Electrical Code (NEC) to Jim at codefaqs@gmail.com. Answers are based on the 2020 NEC. GFCIs in elevator pits During an...

Two issues always seem to cause the most headaches when installing fire alarm systems. One has to do with duct detectors. The other has to do with installing fire alarm devices to interface with elevator controllers. There is...

As I teach fire alarm seminars around the country, one of the greatest problem areas brought up is interfacing fire alarm systems with elevators. Elevator and fire inspectors do not enforce the same codes, and therein lies...