Containers offer a shipping method for small businesses that reduces theft, keeps the shipping load traveling together as a unit, and minimizes the likelihood of losing part of the cargo when shipped ...

Last month, we looked at how to calculate various lighting loads. This month, we'll look at how to calculate receptacle and appliance loads. Let's tackle receptacle loads first. Receptacle loads. A ...

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 ...