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 ...

Note: This article is based on the 2002 NEC. Even if you work with stamped drawings, you'll eventually need to do commercial load calculations in the field or on a licensing exam. The National ...

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 ...

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 ...

A chip load chart is used for determining proper feed rates when cutting various materials and using various tools. It is a part of how tools perform in terms of cut quality and tool life. Click here ...