Advancements in control technology and energy management have made compliance with National Electrical Code, Article 700, Emergency Systems, more complex, with far more design choices available to the specifier or installer
The subjects of Integrated fire protection and life safety systems should not be new to the electrical designers, contractors and regulators, as the requirement to commission integrated fire protection and life safety systems was originally placed into Article 22.214.171.124. of the National Building Code of Canada (NBCC) in 2010.
How well do you know requirements about connections in the 2017 NEC? Take this quiz with a copy of the National Electrical Code nearby.
I’ve got my top picks for this new edition of NFPA-70. I like to think of them as the “Top Ten Electrical Code Changes.” Sure, there are a bunch of changes, but I always feel obligated to pick out the “Top Ten” as I see them
If you have been in construction contracting awhile, you are no doubt familiar with competitive bid (CB), which is everywhere in the building industry. In fact, the majority of us who earn our living in easily accessible, highly competitive local markets have come to realize that CB is the primary — if not only —award vehicle available to us as we go about trying to fill our construction schedules.
This article attempts to identify the most common deficiencies encountered at these large scale projects and provide methods of verification you may find useful to achieve minimum code compliance.
In Section 2 of the CE Code, we encounter the first numbered rules in the Code. The rules from 2-000 to 2-032 are categorized as administrative rules.
This article will try to explain the limitations of terminating single conductors directly to distribution equipment and the reason for Subrules (5) and (6) of CE Code Rule 8-104.
The most effective protection is probably fire barriers and water spray for cooling and keeping the oil within the transformer tank, away from oxygen and below the flashpoint temperature.
The National Electrical Code (NEC) contains sufficient rules and requirements that apply to box fill calculation requirements.