A friend who was buying an older house was concerned about electrical safety and asked for my opinion as an electrical engineer. All of the AC receptacles (also called outlets) in the house were the ...

Do you know what OSHA has to say about electrical safety testing requirements on jobsites? In the rugged construction site environment flexible cords that supply portable tools and appliances are all ...

What is ground-fault protection? The answer depends on whether you are talking about ground-fault protection of equipment or ground-fault protection of people. Just because ground-fault protection is ...

Ground fault protection is a cornerstone in ensuring the safety and operational reliability of modern power systems. Ground faults, which occur when an unintended electrical path connects a live ...

There are 15 standardized types of domestic electrical outlet plugs in use worldwide. The standard North American outlet, for example, has two vertical slots and a round hole beneath them for ...

If you've ever travelled overseas, then you're likely already familiar with how many different types of electrical plugs and outlets there are. In the US, the sockets are usually two thin vertical ...