How to connect a mirror with backlight and a socket in the bathroom?
Tell me, is it possible to install a mirror with a backlight and a built-in socket in the bathtub, if there is only a socket (cable for the cabinet is not pulled out)?
Can I connect a bulb with a switch from another bulb?
From the wires that went to the light bulb, he made a fork to connect the next light bulb with his own with a switch. Is such a connection secure?
Malfunction in the microphone due to power supply
When recording on a microphone, I don’t hear what I’m recording, instead there is a strong hum. When I record on a laptop disconnected from the network, everything is fine. What is the reason?
Is it possible to lay corrugation on the street?
The worker led me a VVG 3x2.5 wire in a corrugated PVC pipe on the street. Is corrugation afraid of ultraviolet? Can it be laid on street poles?
What section should the extension cord be for connecting powerful household appliances?
What section should you choose an extension cord to which powerful household appliances will be connected? Is there a need to use a filter to connect?
How to assemble a 30 kW electricity metering board?
I am assembling a 30 kW input metering board according to the technical specifications from the electric networks. Tell me - what is the difference between the set of devices in the metering board for 15 kW from the metering board for 30 kW?
Why are the wires from the muffle furnace heated and what can be done?
I made a muffle furnace with adjustment through a temperature regulator, the voltage goes to a solid-state relay. 4 mm wires go from the relay to the spirals. They are warming. What to do?
There was a problem connecting the two-key switch to the toilet and bath
In the hallway there is a double switch for the toilet and bath. After replacing the wiring, I can’t connect the two-key switch, it does not work correctly.
Selection of the current setting of the input fire protection RCD
Allocated to the house 3 phases of 15 kW, according to the specifications installed introductory AB C32A. How to choose the setpoint current of the input fire 4-pole RCD - 100, 300, 500 mA?
Is it possible to use a ball screw in electrical wiring?
The electrician made a wiring in the apartment on the ceiling to the places of spotlights with a wire ШВВП 2х0.75. Is it possible to use ball screw in electrical wiring?
MGTF wire specifications
The main technical characteristics and design features of the MGTF wire. Typical conductor cross sections and applications. Interpretation of marking MGTF.
Where to go if home appliances burn out due to power surge
What to do if appliances burned out due to a power surge in an apartment or house. Where to contact in case of emergency and how to recover damage.
Is there enough cable with a cross-section of 4 mm.sq. to connect the oven and stove?
The builder held a cable with a cross section of 4 mm square to the stove and oven. with 3 cores 9 m long. Will this cable section be enough for the stove and oven?
What to do if the relay often trips on one of the phases in the 380V network?
We have three phases in the country, each of them has a relay. On one phase, a relay is constantly activated at low voltage. What do you advise to do to protect yourself?
What should I do if the apartment has three-phase wiring, and a cable for single-phase is laid?
They made the wiring and connected to a single-phase current. Now it turned out that the house was designed so that everywhere there was a 3-phase current in the apartment. How to redo everything?
Why does the machine knock out when the washing machine is turned on?
The washing machine in the kitchen, I start to wash it, after a minute the light in the apartment turns off, but the sockets work. Except the one where the machine is turned on. What is the reason?
Can I use fittings for grounding in the apartment?
Can I use the reinforcement of a panel house as grounding? Would such protection be good? And why can you ground the steel bath except the shield?
