Standard marking of energy meters and their interpretation. How to decipher the abbreviation on induction electric meters and electronic (Mercury 230).
What is the TN-C-S grounding system, what are its pros and cons compared to other options. Grounding scheme TN-C-S in a private house.
We decided to run a cable for lighting on poles on the street. Please tell me which cable can do this so that it is resistant to ultraviolet light.
The principle of operation and purpose of the UZM-3-63. Connection diagram of a multifunction protection device in a three-phase network. Technical characteristics of UZM-3-63.
Is there any need to worry if the valve arrester casing is broken?
How to hang a ceiling on a bulb instead of a crashed one?
How to connect a multi-track chandelier with grounding to a two-button switch so that you can turn on 2 and 3 bulbs separately.
Is it necessary to protect the cable when installing open wiring in the garage, or is it possible to mount without additional protection against mechanical damage?
Which wire to use for connecting spotlights under drywall: PVA or non-combustible?
What materials need to be prepared to connect electricity to the house?
I have a timer, I need the LED lamp to turn on 30 seconds smoothly without my participation, and when the timer works, it goes off 30 seconds smoothly.
The electrode boiler works for a while, then the RCD disconnects. What could be the reason? The boiler power is 2 kW, it is used to heat the soil in the greenhouse.
Prohibited or not laying cable on the roof of the building, according to the PUE.When you can lay the power cable on the roof of an industrial building or residential building.
The principle of protection against water leaks in the apartment. Overview and comparison of popular flood protection systems: Neptune, Hydrolock, Aquastorozh, Stop Flood "RaDuga".
Instructions for laying the cable in trays and boxes. How wires are laid in cable trays according to the norms of PUE, SNiP, GOST.
The SAMSUNG M1619NR microwave oven does not heat up. When turned on after a couple of seconds, an even “rumble” begins - the noise is not very strong. What reason?
The technology of laying a cable through a wall of wood, brick, concrete. How to run a cable through walls and partitions according to the rules of PUE and SNiP.
Radiator information is not indicated on the packaging. Tell me, how can I find out in the store whether the LED lamp has a radiator at all and which one?
Why does the electricity in the house not work? When I turn it on, the meter does not show signs of life, but voltage appears on outlets, but the devices do not work.
How to make the grounding of a water heater in an apartment and a private house with your own hands. Consideration of the main ways to properly ground the boiler.
The technology of laying the cable for the fence from corrugated board, wood, brick. How to lay a cable along the fence without violating the rules of the PUE.
If I plug the c16 / 30mA difavtomat into a single outlet in the bathroom, will it protect against electric shock? Or do you need a 10 mA difavtomat?
Please tell us, they turned off the light without warning, is it legal and what should I do now?