Utilities Building Remote Grids Where Power Lines Can’t Reach

Expanding the grid to reach far-flung customers can be a costly fire hazard. So some utilities are testing out microgrids using solar, batteries, and generators.

Striving for Full Coverage by Year-End! Guizhou Power Grid Company's Remote Operation and Maintenance Coverage Rate for Relay Protection Has Reached 60%

In recent years, Guizhou Power Grid Company has actively carried out the intelligent construction of relay protection, ...

Can utilities replace power lines with solar and batteries in remote areas?

Michael Gillogly, manager of the Pepperwood Preserve, understands the wildfire risk that power lines pose firsthand. The ...
Electrical Construction & Maintenance

The NEC and Art. 725: Circuits — Part 1

Article 725 of the National Electrical Code (NEC) provides the requirements for “Class 1, Class 2, and Class 3 remote-control, signaling, and power-limited circuits.” The title of Art. 725 includes ...
Electrical Construction & Maintenance

Remote Control and Signaling Circuits, Class 1

Courtesy of www.MikeHolt.com. Based on the 2020 NEC. Article 725 of the National Electrical Code (NEC) covers remote-control, signaling, and power-limited circuits that are not integral to a device or ...
Hackaday

A Simple Circuit For Testing Infrared Remote Controls

Every now and then a remote control acts up. Maybe you are trying to change the channel on your television and it’s just not working. A quick way to determine if the remote control is still working is ...

The Coverage Rate of Remote Operation and Maintenance of Relay Protection by Guizhou Power Grid Company Has Reached 60%

In recent years, Guizhou Power Grid Company has actively promoted the intelligent construction of relay protection, establishing an intelligent operation and maintenance system based on relay ...