ESS systems receive electric energy, store the energy in some form, and then provide electrical energy to loads or power conversion equipment when needed.
To play this game, you need a sharp eye, a quick mind and a 2023 National Electrical Code book. The NEC can be accessed for free at nfpa.org/70. (Fill-in-the-blank questions are looking for the exact word(s) used in the NEC.)
Let’s examine the loading and overloading of distribution transformers from the perspective of the Canadian Electrical Code, Part I (CE Code).
Exercising safety with extension cords, relocatable power taps, and decorative lighting during the Holidays and throughout the year.
Several codes regulate the use of artificial lighting. Let’s examine the requirements of the NEC, IES, and other standards.
To play this game about lighting, you need a sharp eye, a quick mind and a 2020 National Electrical Code book.
The means for providing illumination has gone through numerous changes over the centuries, from oil lamps to incandescent bulbs, to fluorescent tubes and LEDs.
One of the most critical methods in determining shock and arc flash hazards is always to remember to test before you touch your equipment.
Let’s examine how UL’s branding changes impact UL Certification (Listing) Marks and Standards.
Cable glands can be important for reinforcing connections between cables and for protecting them from the elements. Let’s look at choosing the right kind of cable gland.