﻿ October, 2017 - Part 2

## Why does the hair dryer blow in the opposite direction?

Hello! Did the hair dryer stop working, after disassembling did it clean the anchor, did the hair dryer turn in the opposite direction? Why is this happening?

## How to fix a broken wire in a curling iron?

Torn wire in the curling iron. I want to repair it myself, I think it’s not difficult. How to fix the curling iron yourself, what materials are needed for this?

## How long will a 150 W DRL lamp work with a 70 W IZU?

Hello, there is a metal halide lamp of 150 watts, and IZU 70 watts. The lamp is on, is on, the question is: How long will the lamp or IZU work?

## Setting the RT-820M thermal relay

Help in setting up the RT-820M thermal relay. How to set the threshold parameters of the given thermal relay (with LCD display and 4 buttons). From -8 to +3 degrees.

## How to connect 2 loads with a delay time for switching on?

Need a switching device for 2 loads with the middle position of the contactor. The load is not more than 50 W, 220V. Shutdown time delay from 0 to 1 minute.

## Which cable to choose for connecting fixtures on the facade of the building?

What brand cable to use to connect a group of lamps on the facade of the building? Connections are tight and are made through cable glands.

## What is ripple of LED lamps?

What is ripple of LED lamps and why does it occur? What should be the ripple coefficient according to the norms. Methods for checking the flickering of LED lamps.

## How to measure AC frequency?

How to measure the frequency of alternating current in the network using a multimeter or frequency counter. Alternative methods for measuring AC frequency.

## What threatens the unauthorized connection of electricity?

Responsible for unauthorized connection to the power grid. What is the penalty for unauthorized connection of electricity. Who and how discovers the violation.

## Why doesn't the dimmer control the brightness of the lighting?

In my apartment, a dimmer stopped working. He stopped regulating the incandescent lamps: the light is on at maximum on and is not regulated. What is the reason?

## Hob single pole machine

Please tell me, can I use a 32A single-pole circuit breaker to connect the hob? Or do you need a 32A difavtomat?

## Is it necessary to isolate the zero bus from the shield body?

In SR, do you need to connect zero to a separate rail so that it is isolated from the shield body or is it not necessary? How to make a zero bus connection?

## Flashing indicators on the counter NIK 2301 AP

Electric meter NIK 2301 AP. After a strong wind, three orange indicators began to flash sequentially on the counter. Is there any cause for concern?

## Can I connect a fan in the bathroom separately from the light switch?

Is it possible to bring a separate cable for the fan in the bathroom? It turns on and off with light. We want to withdraw separately through the baseboard, is this possible?

## How to replace the cartridge in the chandelier?

Need to replace the cartridge. Unscrewed 2 fixing screws inside the chuck. And how to disconnect / connect the wire? Maybe there is a video?

## Can I connect a grounded plug to a wire without grounding?

I bought a plug with grounding, and a wire without grounding (at the refrigerator). Can I use this plug as usual?

## What cable section is needed for 75 kW?

It is necessary to calculate the cross-section of the cable. Length 1000 meters, power 75 kW. Which automatic machine to put on the input and cable cross-section which to choose?

## Maintaining the set temperature in the apiary in winter

It is necessary to organize a bee heating in the winter. Heating the hives needs to be done with an infrared heater with a temperature controller. Need a connection diagram.

## What is the analog of the GFP50N06 transistor?

How to replace the transistor GFP50N06. On the screwdriver in the button is. Stopped giving out all the power when you press the button screwdriver. I am looking for an analog transistor GFP50N06.

## Why does an RCD work on an electric stove?

The RCD works on an electric stove (the stove is not installed). When you turn on the RCD of the electric stove, the total RCD of the apartment turns off. What is the reason and what to do?

## Is it possible to conduct electrical wiring on the ceiling in an aerated concrete house?

Please tell me, is it possible to do electrical wiring throughout the apartment on the ceiling, if the walls are of aerated concrete? If possible, then how to conduct wiring?

## What voltage stabilizer to choose for a boiler in the country?

At the dacha there is an electric boiler 4-6 kW, now it does not pull at all. Will the installation of a stabilizer for the whole house help and which voltage stabilizer to choose for the boiler?

## Can the 240V-50 / 60HZ be plugged into a regular power outlet?

If the specifications indicated are 240V-50 / 60HZ can be plugged into a conventional outlet? Nothing will happen to the device if it is connected to a 220 Volt network?

## Why did halogen lamps burn out when connected to a transformer?

After connecting the transformer to the chandelier, they turned it on, and the lights all went out. What caused this? Halogen bulbs. Transformer 220V-12 V.