The alarm sounds in the school auditorium

Weird! The device cannot be grounded. If it is grounded, it won't turn on.

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Electrical Knowledge Sharing

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Here’s a handy electrician tip: You’ll get it the first time you see it—and master it as soon as you

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Weird circuit breaker tripping—maintenance in progress! Sharing the latest updates.

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Danger!!! The ground is electrified—unbeknownst until tested, and utterly shocking once tested!

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The strange power outage was captured, but an even more amazing phenomenon was discovered!

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You have to bring a tester when you go to the bathhouse from now on, because the walls are electrifi

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Washing a circuit board with water? Now that’s what you call professional.

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It was my first time repairing a construction vehicle, and I was so overwhelmed when I saw the distr

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The light is dim, which may seem like a minor problem, but it is actually a major hidden danger.

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Strange power outage, analyze why the on-site camera turned quickly and why the mop on the ground sh

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Learn Electrical Engineering from Scratch: A Complete Collection of Electrical Knowledge!

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Here's a little secret about those weird circuit breaker trips that nobody knows about.

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If you dare cut even 1 meter off the wire, this old electrician’ll spot it in just 30 seconds!

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There was a ground wire and I was almost electrocuted. Can you guess the cause of the fault after wa

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It's a rare glitch, I'm completely confused!

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I thought I’d stumbled on a steal, figured it’d be an easy money-making gig… sigh. Talk too much and

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The unlucky installation master was complained about on March 15th last time and was electrocuted ag

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I got an electric shock while taking a shower—it felt numb and painful. It really was the water heat

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The snow machine broke down, and the boss said there'd definitely be a big bonus if it could be fixe

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