When designing power distribution for a facility, you must assume a lighting load no less than that in Table 220.12 [220.12] if the table specifies your occupancy. Should you use this table for work ...

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 ...

What Is a Distribution Yield? A distribution yield is the measurement of cash flow paid by an exchange-traded fund (ETF), a real estate investment trust (REIT), or another type of income-paying ...

HONOLULU, HI — In commercial, residential, industrial, and institutional HVAC design, it is critical for design contractors and engineers to perform a load calculation. Not only is it important for ...

What Is a Distribution Yield? A distribution yield measures the cash flow from exchange-traded funds (ETFs), real estate investment trusts (REITs), or other income-paying vehicles. Rather than ...

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 ...

Requirements for branch circuits, feeders, and services each have their own Articles (210, 215, and 230, respectively). The NEC also contains an Article providing requirements for outside branch ...