The NEC and NFPA 72 have an interwoven relationship that is paramount to the proper operation of fire alarm systems.
What should be the extent of involvement of an electrical regulator in the inspections of electrically connected life safety and fire protection systems?
Smoke detectors are designed and installed to provide reliable early warning smoke detection systems for the protection of life and property.
Manufactured housing has its own set of construction standards that are found in 24 CFR Part 3280. This came into being in response to the National Manufactured Construction and Safety Standards Act of 1974 (42 U.S.C. 5403).
An inspector’s first look at the service shown in photo 1 seems to show a relatively simple 120/240-volt single-phase service.
Two types of ground-fault protection are required by the Code: ground-fault circuit interrupter protection (GFCI) and ground-fault protection of equipment (GFPE).
The National Electrical Code (NEC), ANSI/NFPA 70 considers information technology equipment (ITE) installed in ITE rooms—more commonly called computer rooms—as special equipment.
This article will look at the requirements in the National Electrical Code relative to information technology equipment and the correct use of Article 645.
Unsafe electrical services, improperly wired electric outlets, and extension cords running across walkways are just a few of the electrical hazards that might be found at some fairs.