Maybe I'm describing a unicorn device here but I have a bunch of devices that run off DC-in of various voltages, and take a barrel jack connector for power. They all have their own wall warts but I've ...

The war of the currents was fairly decisively won by AC. After all, whether you’ve got 110 V or 230 V coming out of your wall sockets, 50 Hz or 60 Hz, the whole world agrees that the frequency of ...

With a primary-current rating of 10A and an isolation voltage of 500 Vdc, the 5600 series current-sensing transformers are capable of both measuring and monitoring ac currents. They are available in ...

MR16 halogen lamps normally operate from a low-voltage AC source typically generated by a low-frequency AC transformer or by a high-frequency electronic transformer. In most MR16 applications, the ...

For over 16 years, professionals have trusted ELK’s AC transformers for their reliable performance. Auto-resetting PTC overload protection prevents transformers from being blown by a short or ...

Editor's Note: Here's another take on the transformerless AC line power supply, which finds use in some well-insulated, low-power devices. Our technical reviewer pointed out that C ac should be an ...

Consumer behaviour has undergone a tremendous shift in the past decade, thanks to the growing internet penetration in the country, which is credited largely to the growing use of smartphones. In fact, ...

In the dead of night when most people were asleep, work was being done to install essential equipment ahead of schedule at ...