﻿ February, 2019 - Part 4

## How to connect the wires in the oil heater?

The oil cooler broke, it came to me in a disassembled form, I can’t understand where to connect what. Please help with the search circuit.

## What should I do if the outlet sparks when I turn on the plug from the refrigerator?

A refrigerator is connected to the outlet, but it began to turn off. When you move the plug - it works. But the plug sparkles in the outlet when you move. Do I need to change the outlet?

## Is it possible to install an incandescent lamp instead of an ammeter?

Is it possible to change the ammeter on any electrical installation to a conventional incandescent lamp? If so, how to do it right?

## How dangerous is static electricity in a gas boiler?

The boiler started to beat due to static. We did not have time to make grounding. Now we are worried about how dangerous static electricity is on a gas boiler?

## PUE-7 Chapter 3.4: Secondary Circuits

PUE 7th edition, Section 3, Chapter 3.4 - Secondary circuits. Paragraphs 3.4.1.-3.4.30. Download the PDF document on the ElecroExpert website.

## PUE-7 Chapter 3.3: Automation and telemechanics

PUE 7th edition, Section 3, Chapter 3.3 - Automation and telemechanics. Clauses 3.3.1.-3.3.103. Download the PDF document on the ElecroExpert website.

## Characteristics and scope of the PRKS wire

The PRKS wire is designed for rooms with high temperature. The cross-section table, structure and its technical characteristics are given in the article.

## What is vibration and dance of wires, what do these phenomena depend on

Wind causes vibration of wires and lightning protection cables. This will damage the line. Find out what vibration and dance of wires are and what are the methods of dealing with it.

## How to sound an outlet from neighbors - 3 effective ways

The noise coming from neighbors can be caused by gaps in the walls, but more often it comes from outlets. How and how to make soundproofing outlets is described in the article.

## Is it possible to install an electric meter above the door?

Hello! I want to install a counter above the front door, but they told me that it is impossible to install above 1.8 meters, in which document is it written?

## What selective RCD to choose?

How to choose a selective RCD for installation in a floor board, if there is an automatic machine at 63A after the counter? Tell me the model.

## PUE-7 Chapter 3.2: Relay protection

PUE 7 edition, Section 3, Chapter 3.2 - Relay protection. Clauses 3.2.1. - 3.2.133. Full text version of the document on the ElecroExpert website.

## PUE-7 Chapter 3.1: Protection of electrical networks with voltage up to 1 kV

PUE 7th edition, Section 3, Chapter 3.1 - Protection of electrical networks with voltage up to 1 kV. Paragraphs 3.1.1.-3.1.19. Download the PDF document on the ElecroExpert website.

## PUE-7 Appendix to Chapter 2.5: Guidelines for the design of supports, foundations and bases of overhead lines

PUE-7 Appendix to Chapter 2.5: Guidelines for the design of supports, foundations and foundations of overhead lines. Download the PDF document.

## PUE-7 appendix to chapters 2.3, 2.4, 2.5: Requirements for information signs and their installation

PUE-7 appendix to chapters 2.3, 2.4, 2.5: Requirements for information signs and their installation. Download the PDF document on the ElecroExpert website.

## Help repair the music center LG FFH -1079

The music center has stopped turning on after an unsuccessful repair, how to check the controller is working and find the cause of the breakdown?

## Is it safe to leave reptile mats on?

Is it possible to leave the thermal mat for the terrarium on? Heats up to 40 degrees under a glass terrarium. Could a fire happen from him when I'm not?

## How to connect the motor in a Festool circular saw directly?

Hello! Can I connect a Festool circular saw motor without an electronic speed controller board? What is the connection scheme?

## Why, when the light in the toilet is turned on, does the wiring in the lamp spark and burn?

Hello! Why, when the light is turned on inside the lamp, the flame sparks and burns, what should I do?

## Why is there no sound on the acoustics of the Microlab FC-330?

The speakers turn on, but there is no sound. Amplifier chips replaced by TDA 2030a, what else could be the problem?

## Is it possible to lay the cable on the floor in an educational institution?

Is it allowed to lay the wiring cable and Internet cable into the cable channel in the educational institution on the floor of the room?

## What power does a 30 kW generator give?

Generator with a rated power of 30 kW. Does this mean that at the maximum load of the consumer, he will give him 30 kW / h?

## Why does the light in the apartment blink at night?

A week ago, at about 1:00 in the night, light began to flash in some rooms and in the toilet. The rest are energy-saving, they blinked only once. What is the reason?

## What is the fuel consumption of a 3 MW diesel power plant at maximum load?

How to calculate the monthly fuel consumption for a 3 MW diesel power plant at maximum load?