Although no single technology will protect against all electrical ignition scenarios, arc-fault detection was identified as an effective means of reducing fires
This is the second part of a summary of proposed changes for the 2002 National Electrical Code® acted on by NEC Code Making Panels in January 2000.
UL has five new categories specifically for AFCI devices, now covered under UL 1699, Standard for Arc-Fault Circuit Interrupters.
The electrical inspector’s voice and input into the affairs of the industry is vital.
What should happen when the electrical utility or a utility customer decides to convert the ungrounded 600 volt, 3-wire supply to a 600/347 volt, 4-wire, solidly grounded electrical supply?
When we talk about minimum ground clearances of span conductors, we have to know the sag of the conductor because the minimum height of attachment on a structure to comply with the NESC
Guidance was provided to the 20 Code-Making Panels on several issues that are to be addressed during the 2002 NEC cycle.
In the electrical industry, there is no room for complacency. "Ordinary” and "routine” tasks, such as verifying voltage, taking current readings, and even visual inspection of live or energized parts, can subject the inspector and electrician to the multiple hazards of electricity.
The Miami-Dade County [Florida] Building Code and Product Review Committee became the first governmental entity in the country to accept NECA’s National Electrical Installation Standards™ for regulatory use