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 ...

Feeder and service load calculation requirements can be found in Part III of Art. 220 in the 2014 NEC. As noted in Sec. 220.52(B), "A load of not less than 1,500VA ...

Leviton has unveiled its next generation electrical Load Center. The new breaker panel works with an integrated Wi-Fi or Ethernet hub to offer remote circuit control, monitor electrical consumption, ...

Leviton Load Center Image used with permission by copyright holder Leviton Smart Circuit Breaker Image used with permission by copyright holder Installing a new load center, commonly called an ...

Leviton has announced a new version of its Load Center breaker box for homes, and it’s adding an integrated Wi-Fi or Ethernet hub that will let you manage your home electrical setup directly from your ...

The newly cloud-connected Leviton Load Center features intelligent circuit breakers that you can control or monitor from your phone. Originally hailing from Troy, Ohio, Ry Crist is a writer, a ...

The simplest model of a battery comprises an ideal voltage source that connects in series with a resistance whose value—often a few milliohms—depends on the battery’s electrochemical condition and ...

This article is part of the Ideas for Design Series: Vol. 3, No. 8. This circuit builds on a previous idea in which the addition of an optocoupler to a microcontroller output converted a “dumb” ...