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.
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.
Similar to GFCIs, UL 1699, the Standard for Arc-Fault Circuit Interrupters does require monthly testing.
What should be the extent of involvement of an electrical regulator in the inspections of electrically connected life safety and fire protection systems?
This article discusses some of the differences between the NEC and CE Code, beginning with definitions of some of the more frequently used grounding and bonding terms.