The “2026 NEC Insider Series” is written by Dean Austin, NFPA Technical Services, Senior Electrical Specialist, Master Electrician, and former Chief Electrical Inspector in the state of Michigan. The ...

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 ...

Not long ago a residential load calculation — also known as a heat loss calculation or a load calc — was something you had the luxury of skipping. There was a good reason for avoiding it. It was ...