This article focuses on permitted wiring methods in environmental air spaces. More specifically, areas above suspended/drop ceilings used for environmental air. Mainly because no wiring of any kind is permitted for ducts for dust, loose stock, or flammable vapors. Even…..
Continuous loads are another topic that many “experts” seem to dance around in their articles that deal with them. They give you the same information you can get from the NEC itself. What good does that do? Maybe they believe…..Read more
The top row of circuit breakers in the photo above violates Article 240.81 of the 2011 NEC. They’re operated vertically so they must be “ON” in the up position. When is mounting panelboards horizontally acceptable? To answer the question directly, it…..Read more
We have recently added a new way to connect with us to share information and resources. We've added a Google community for electricians which is a new feature on their Google+ platform. This community is an organized, functional, and easy…..Read more
When determining the minimum size conductor for an installation, the temperature rating of everything involved in the circuit must be taken into account. This includes the conductor’s insulation, terminations, and devices. The lowest associated temperature is then used for the…..Read more
Article 90 – Introduction Properly placed at the beginning of the National Electrical Code, Article 90 is essential to correctly applying its requirements. The first thing it covers is the purpose of the code. Generally speaking this deals with safeguarding…..Read more
This is a great new service we’re offering to employers nationwide. Now they can offer training benefits to their employees and add value to their company. With the basic discount level being free, there isn’t a reason for employers not…..Read more
We’re always adding new services in our quest to become the #1 online resource site for electrical professionals such as; electricians, contractors, and inspectors. We’re excited about all the new additions that’ll be rolled out in 2013. We’ve also enhanced many…..Read more