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 ...

Electrical load calculator estimates power demand, ampacity, and panel capacity, guiding circuit sizing, load balancing, voltage drop checks, and NEC-compliant design for residential, commercial, and ...

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 ...

Churning with voltage and resembling an explosion at the wire factory, the breaker panel exudes mystique. But it's just a big switch, filled with other smaller ­switches, which lead to the switches ...

Your electrical panel can provide a lot of essential and useful information. It is important to know how it works and how to find your way around its components. If you are unfamiliar with your panel ...

In Part 1, we looked at specific types of commercial loads. Let’s use some examples to show yet another difference in demand factors. If you were to watch daily operations at a marina [555.12], you’d ...