Tests, tests

What an electrician needs to work Set for 250,000 rubles

With unlimited financial resources, we select a set of tools for an electrician. We do not regret money, we take what we want! It turned out 250,000 rubles. Tool List for…

2 years ago

Experiment Wire dropped to ground Step voltage

A visual experiment with a wire that fell to the ground. Let's measure the step voltage. Let's find out which step is the safest.

2 years ago

Which carving is best? Test. Soviet or modern?

Let's compare the thread of a Soviet bolt and a modern stud. This small test will show who is closer to the GOST standards.

3 years ago

Test for electricians. Find violations.

The inspector identified about a dozen violations. What exactly did he find? It will be interesting for electricians to play the role of an inspector and find violations ...

3 years ago

How to find out the real capacity of the battery?

The capacity that battery manufacturers write is impressive: 6000mAh, 10000mAh, 20000mAh ... In fact, the real capacity of such batteries does not exceed 3500mAh. And this…

3 years ago

Test. What will happen to the circuit breaker after the short-circuit current

Each k.z. creates carbon deposits and scales on the contact area. The contact resistance of such a contact increases markedly and the machine will not be able to work ...

3 years ago

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