﻿ December 2018

Why do you need non-disconnect lines in the shield and how to make them

What are non-disconnect lines in the shield and why are they needed. A circuit of a non-disconnectable line in a shield with an RCD, a voltage relay, a starter and other devices.

How to turn on and off the lights with two switches?

If the phase of the first luminaire is connected to the phase of the second, we do not connect zeros, can it be possible to turn both luminaires on with the left or right switches at once?

How to connect a massager without a battery from the adapter?

How can I connect a massager without a battery from the adapter? Connect to the terminals where the battery was? Connecting to the standard jack, it does not work.

What should I do if there is no light in only one apartment (mine)?

In the morning the light went out, although at 3 nights it was still. Only disappeared in my apartment, everything works in other apartments, what can it be? Automatic machines are included.

What materials to choose for wiring in a wooden house?

What are the most durable, high-quality and reliable materials (cables and all automation) for installation in the panel of a wooden house? Verified companies and manufacturers?

Two-key switch circuit diagram

A three-wire wire is suitable for the two-key chandelier switch: two phases (top) and a voltage-free core (bottom). Is this a standard wiring?

Is the assembly diagram of the electrical panel for 24 modules correct?

The question is about the correctness of the shield assembly scheme. Basically - denominations of RCD and difavtomatov. A shield is planned for 24 modules. There will be no powerful equipment in the apartment.

Which three-pole circuit breaker should I install on an aluminum wire 3 * 10 + 1 * 6 mm?

What three-pole circuit breaker is installed on an aluminum wire 3 * 10 + 6mm with a three-phase 380V circuit?

Why different readings on electric meters (main and after)?

When I take ATM counter data from my counter, I have a difference. Why, if nothing is connected to the mains in the room?

What is an inductor and why is it needed

What is an inductor, what is its principle of operation and purpose. The main types and characteristics of coils, as well as marking options.

How to connect SIP-4 2x16 wires to each other?

How to connect two wires SIP-4 2x16, without using MJPB sleeves? The length of the wire is not enough, I had to pull the old wire from the house and a piece of a new one from the transmission line support.

Why do resistors and LEDs get hot when turned on?

I decided to assemble LED dimensions on the headlights of a car.When connected, 50 Ohm resistors and 12 V LEDs start to get very hot. What could be the reason?

Overview of UZM-50Ts: what kind of apparatus and how to connect it

What is UZM-50C, what are the characteristics and functions of this device. Connection diagram of UZM-50Ts in a single-phase and three-phase network. User manual.

What are high-voltage disconnectors for and what types of they are

Why are high-voltage disconnectors needed, how are they designed and where are they used. Classification of high voltage disconnectors. How to do the switch.

Is it possible to place the electrical panel in the built-in closet in the apartment?

Good afternoon! Is it permissible, from the point of view of Fire safety, to place the switchboards in the built-in cabinet? Thank.

What are the faults of voltage stabilizers and how to repair them

What are the faults of voltage stabilizers and the causes of their occurrence. What to do if the stabilizer does not turn on, buzzes, does not stabilize the voltage.

Modern methods of transmitting readings of electricity meters

Overview of modern methods of transmitting meter readings. Rules for transmitting testimonies via the Internet, telephone and bank terminal. Who should do this.

Do I need to seal the machine in front of the counter?

Is it necessary to seal the input machines standing up to the meter or is it enough to seal only the meter itself?

Why is a direct current supplied to the control part of the motor circuit?

The electric motor circuit is the control part of the circuit and power. Why is it more expedient to apply alternating current to the power part, and direct current to the control one?

Incorrect meter connection

The employees of the RES came and said that the connection of the electric meter was wrong! It is necessary to redo it, otherwise the meter will not be sealed. Why is the connection wrong?

Can the earphone be shocked?

Used the earpiece. Is it possible to get an electric shock from the wire on the neck, felt a sharp numbness in the neck at the time of use, or is it excluded?

When the gas hose touches the dishwasher, an RCD trips

An iron hose goes from pipe to plate. And if this hose touches the iron part of the dishwasher, protection is triggered. Will buying dielectric couplings solve the problem?

How to connect a lamp instead of an air conditioner?

It was decided to connect the lamp to the wire to connect the air conditioner. The question was, how to make the light switch?

How to set the light switch (up or down)

What is the correct position of the light switch when turning on and off. How to set the switches correctly and whether there are current standards in this regard.

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