The NEC and NFPA 72 have an interwoven relationship that is paramount to the proper operation of fire alarm systems.
The results of the ground-fault current tests conducted at 40, 50, and 100 amps showed minimal temperature rises on the cable armor and fittings.
The 2002 National Electrical Code brings changes to the industry.
Work on the 2002 National Electrical Code has been completed. Those using the NEC will find a significant difference in the new edition.
Since the commemoration was first established in 1922, NFPA has officially sponsored Fire Prevention Week. It will be held October 7-13 this year.
David Young discusses many of the changes that became effective in the 2002 National Electrical Safety Code (NESC)
This article addresses the interlocked armor Type MC cable with conductors No. 8 CU and No. 6 AL and larger for 600 volt installations.
The Canadian Electrical Code provides us with rules for connections to heat-producing electrical equipment such as lighting, motors and continuously loaded equipment.
Electronic equipment must meet strict shielding standards to prevent electrical noise from entering or leaving the equipment.