The 2026 National Electrical Code clarifies rules for 10 amp branch circuits, conductor sizes and permitted uses for LED ...

Emergency is emergency is emergency, right? If it is from the generator distribution system, then it must all constitute as emergency power. Well, no. I cannot tell you how many times I have walked ...

Article 210 contains the requirements for conductor sizing, conductor identification, overcurrent protection, and GFCI and AFCI protection of branch circuits. It also contains requirements for ...

In the past few articles, we have looked into several different building components including structure, HVAC, roofs, in addition to performance based design. One important building component that we ...