If you haven’t seen or heard yet, the 2020 edition of NFPA 70 ®, National Electrical Code ® (NEC ®), is set to hit the shelves this fall. As we at the National Fire Protection Association (NFPA) are ...

The electrical panel, also known as the service panel, is the control center for all the electrical circuitry in a residence. Today’s panels are bigger than earlier versions. They have to be, because ...

Note: This article is based on the 2002 NEC. Even if you work with stamped drawings, you'll eventually need to do commercial load calculations in the field or on a licensing exam. The National ...

Members of the National Fire Protection Association (NFPA) recently concluded discussions on updating Article 220.12 of the NEC (National Electrical Code) to align with a series of energy codes, as ...

Life as a property investor and/or developer inevitably involves all manner of decisions, day after day. However, it might be far from obvious what level of participation property investors may have – ...

Right-N® is the computerized version of the just released Air Conditioning Contractors of America (ACCA) Manual N, 5th Edition, light commercial load calculation method. Right-N can be used to rapidly ...