The 2020 edition of the National Electric Code (NEC) includes special provisions for reconditioned or refurbished electrical equipment, defined as “electromechanical systems, equipment, apparatus, or components” that have been reworked and restored to operating conditions.
We have continued to see a big problem with stolen ground wires on many utility poles over the years. A utility poles’s grounding conductors [ground wires or “grounds”] contain copper --a highly conductive metal--, but also a highly valued metal in the marketplace.
This is the first of a series of articles detailing significant changes for the 2021 Canadian Electrical Code Part I (CE Code).
Supply-side connected PV systems require renewed attention due to the more detailed requirements added to the 2020 NEC.
Chances are you will have to perform some sort of calculation in order to apply the requirements of the NEC and provide that installation that safeguards people and property from the hazards that arise from the use of electricity.
What type of copper conductors and copper-clad aluminum connectors are Certified (Listed) for terminating copper-clad aluminum conductors?
What is the rating of a branch circuit, feeder, or consumer’s service as mandated by the Canadian Electrical Code?
Today, the many diverse stakeholders involved in the practical rollout of 5G technologies can rest assured that a concerted effort is underway to bring consistency to this complex undertaking.
Codes and standards exist to ensure the safety of the public. While the goals behind the requirements are the same, sometimes, they are not harmonized with each other despite our best efforts.