The NEC contains detailed requirements for calculating service and feeder loads in many types of occupancies. Although most of these requirements are found in Art. 220, other rules affecting service ...

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 ...

QUEBEC CITY - The great divide between HVAC contractors and engineers is probably at its widest point where residential load calculations are concerned. Contractors don't see a practical way to do ...

Understanding how to use load capacity charts is crucial for proper selection and safe application of a number of machine types, but perhaps none more so than telescopic handlers. These versatile ...

Want to know a little bit more about yourself? Calculating several key values on your numerology chart can help. These numbers can give you insights into your motivations, personality, destiny, and ...

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 ...

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 ...

The Smith chart appeared in 1939 (Ref. 1) as a graph-based method of simplifying the complex math (that is, calculations involving variables of the form x + jy) needed to describe the characteristics ...

Just like when operating cranes, understanding how to read load charts, and applying that information to the operation of a digger derrick is critical. In many ways, digger derricks are similar to ...

Astrology is experiencing a digital renaissance, with apps and social media making it more accessible than ever. These platforms offer everything from birth chart calculations to compatibility ...