Why does the pump motor not start and buzz after repair?
After repairing the water pump, its engine does not start, it buzzes. The resistance of all windings and the casing is 0. During the repair there were hard blows with a sledgehammer.
Can I put cable underfloor heating under the laminate?
Hello! They put a cable underfloor heating under the laminate, it is designed for laying under tiles. Is it reliable? Is it safe? Thank.
Which cable and RCD to choose for an electric stove?
Which cable and RCD should I choose to connect an electric stove in order to protect against electric shock?
How to lay the cable in cable ducts and what requirements need to be considered
Cable laying in cable ducts is carried out by a team of specialists using a specific technology. The laying standards are described in the PUE and a number of other standards.
SP 52.13330.2016: Natural and artificial lighting
Joint venture status 52.13330.2016 for 2019, updated version of the set of rules. Natural and artificial lighting. Download the joint venture for free in PDF format.
The counter incorrectly considers whether it can be replaced and transferred?
Energosbyt installed new meters, after which they began to pay more for light. Can I buy a new counter in an independent store and install IT?
How to connect the backlight and the chandelier through a dimmer and pass-through switches?
How to adjust the brightness of the chandelier and LED backlight in the box through a dimmer, plus you need to control the light from two places using the switches.
Is it possible to make a SIP branch from a bare wire?
Ordinary bare bare wires go along the pole, is it possible to extend a SIP cable from them to a private house? How to do it right?
Is it possible to make a smooth start of a three-phase motor through a halogen lamp protection unit?
Hello! Is it possible to use a protection unit for halogen lamps (500 W) to smoothly start a three-phase asynchronous motor?
Is it convenient to work with a round cable VVGng (A) -ls?
There is an opportunity to buy cheap VVGNG (A) ls 3 * 2.5 round, manufacturer "Concord" (GOST), but is it convenient to work with? What are the differences from flat?
After replacing one outlet, the machine was knocked out and they generally stopped working
I replaced the outlet in the kitchen, the machine was knocked out. turned on the machine - all neighboring outlets do not work, what should I do? Where to look for a problem?
SP 31-110-2003: Design and installation of electrical installations for residential and public buildings
SP 31-110-2003 status for 2019, the current version of the document. Design and installation of electrical installations of residential and public buildings. Download the document in PDF.
Do I need to output a new cable from the shield to connect the electric stove?
The input is two-wire, but the electric stove is connected to a 3-pin socket, 3 wires are laid to it. Do I need to lay a separate line to connect it?
Zero disappeared in the socket, interchanged with grounding - knocks the machine
There is a phase in the socket, but there is no zero, I took it apart I measure it - 240V between the phase and the ground. Swapped the ground and zero, when the load is turned on, the machine knocks out. What to do?
Can I connect a cooker hood from the battery?
Repair in the kitchen is done, but they wanted to connect the hood. Is it possible to make it work on the battery from the phone? If so, how?
A machine gun with a pop in one of the rooms was knocked out, but found no malfunctions
They heard a pop in the room. I checked the lights and sockets - everything is in order. But then the cotton repeated and the machine was already knocked out. Sockets and appliances are normal, what could be?
After replacing the bulb, the machine was knocked out and the switch does not work now
I bought LED bulbs and screwed, instead of a burned out one. Knocked out the machine, unscrewed the lamp, turned on the machine. But now the light in the bathroom does not turn off.
Is it possible to connect the lines of sockets and lighting in one distribution box?
We lay out separate outlet groups and lighting, but in some places the distribution boxes stand together. Is it possible to connect light and sockets in one box?
Why, when you turn on the computer, does an RCD in the access panel work?
When you turn on the computer, an RCD is triggered in the drive electrical panel. The apartment also has an introductory RCD, but it does not work, what should I do?
How to connect a backlit mirror from the cable for the lamp?
We didn’t lay the cable in advance, now we don’t know how to connect a mirror with backlight in the bathroom. Is it possible to twist and branch, lay it over the ceiling?
On the VAZ 2106, the voltage decreased after changing the fuse
1 fuse burned out, I replaced everything, but after that the voltage dropped instead of 12.5-13, drawdown to 10-11. Where to look for a problem?
How to determine that a neighbor is connected to a meter?
He began to pay more for the electrician. I think that the neighbor is stealing the "light." If he could only connect to the phase after the counter, will my counter work faster?
GOST R 50571.21-2000: Grounding of information processing equipment
The status of GOST R 50571.21-2000 for 2019. What is the standard replaced by and what is its current version. Grounding of information processing equipment.
How to lay the wiring to the TV and how many outlets do you need?
I want to make hidden wiring in the tv zone. You need to make a block of sockets behind the TV. Tell me how to implement this and how many outlets do you need for a TV?
