Per 2014 NEC Article 100, short circuit current rating (SCCR) is defined as: “The prospective symmetrical fault current at a nominal voltage to which an apparatus or system is able to be connected ...

A 240-volt service powers heavy-duty appliances like ovens, air conditioners, water heaters and electric dryers. If something goes wrong in that panel, it may cause those systems to fail, damage the ...

As we move deeper into 2026, the humble breaker box is no longer just a passive safety device tucked away in the garage. The ...

When striving for long-term sustainability, designers have latitude as to how complex a system they wish to design. Build sustainability into every aspect of the control panel’s life—design, ...

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 ...

In Part 1 of this two-part series, we presented a 3-phase, 480VAC motor circuit with its associated controls (Figure). We stepped through a logical, systematic approach to troubleshoot the main power ...

The input-voltage range for a typical voltmeter IC is usually ±200mV, with precision of 3½ or 4½ digits. A sigma-delta panel-meter IC from Maxim (MAX1499) is no exception, but you can easily double ...