How to control a 220-12V transformer from an LED strip?
How to make lighting with LED strips so that the 220-12V transformer works only when the light is on, but does not work when the load is off?
GOST 2.722-68: Graphical symbols in diagrams. Electric machines.
GOST 2.722-68 status for 2018. Conditional graphic designations in schemes. Electric machines. Download GOST 2.722-68 in PDF format on the our.electricianexp website.
How to connect a socket and a lighting line from the wire to the terrace lighting?
In a private house there is light on the terrace. I need to connect a socket from this wire and another wire to the light. How to do?
How to connect a two-gang switch through passage and two one-gang through passage?
There is a walk-through two-key switch and two walk-through single-key switches. How to connect them to turn on the light in two different rooms (control from three places)?
Why do not work outlets in the kitchen, and the machine is turned on?
Outlets in the kitchen stopped working. The machine is turned on, but makes strange sounds. As if sparks. What is the reason and what to do?
Is it possible to increase the power of a gas generator from 50 to 500 watts?
Is it possible to increase the current power? There is an electric generator (gasoline) weak, its power is 50 W 12V. Is it possible to increase its power, let's say 500 watts?
How to connect a dimmer and a light switch to control a chandelier and two lamps?
What to buy and how to connect, so that regardless of the single-key chandelier switch, voltage is applied to the dimmer? The room has a chandelier and 2 lamps.
Is the cable connected to the meter securely?
The neighbor, connecting another cable to the meter, decided to attach an incomprehensible design. How safe is it and if not safe, how can it be legally removed?
Limit on the number of connected LED lamps to the dimmer
Is there a limit on the number of dimmable LED lamps connected to the LED dimmer? Suppose you want to connect 26 pcs gu5.3 5W to one dimmer.
What to do if the voltage in the house drops to 160 volts?
When I turn on the load, the voltage drops to 160 and starts to jump. If I put a step-up autotransformer of 5 kW and the stabilizer corrects the situation?
How to connect a proximity sensor AR-G18-3C5PC?
How to connect an optical proximity sensor AR-G18-3C5PC to the coil of a magnetic starter. What starter and power supply is needed so that the sensor does not burn out?
Why do not the lights on the ceiling turn off after installing the stretch ceiling?
After installing the stretch ceiling, the lights in it do not turn off and 3 out of 6 do not shine anymore. What could be the reasons that the light does not turn off by a switch?
What protective equipment should be equipped with electrical installations
What protective means are completing electrical installations with voltage up to 1000 V and higher. Overview of KSZ-1 and KSZ-2 kits that comply with the regulations.
The boiler does not work at full capacity due to improper connection
Incorrectly connected the electric boiler to the network, now it does not work at full capacity. How to connect a jumper between the ten in an electric boiler?
GOST 2.710-81: Alphanumeric Designations in Electrical Circuits
Status of GOST 2.710-81 for 2018, is this standard replaced? Designations are alphanumeric in electrical circuits. Download GOST 2.710-81 in PDF format.
GOST 2.709-89: Conventional designations of wires and contact connections of electrical elements, equipment and sections of circuits in electrical circuits.
The status of GOST 2.709-89 for 2018. Symbols for wire and contact connections in electrical circuits. Download GOST 2.709-89 in PDF format.
How to get alternating electric current
Methods for producing alternating current at home and on an industrial scale. A brief explanation of the basic definitions. The device of the alternating current generator.
Designations on the Livolo touch switch
What do the inscriptions (N / G, Com, L) on the Livolo touch light switch mean. What are the terminals for? Livolo circuit breaker connection diagram.
How does the renewal of power supply occur
How is the procedure for resuming power supply to disconnected subscribers and how much it can cost. Why can disconnect from power supply.
Why do spotlights only flash above the kitchen table?
When the light is turned on, the lamps flash at a frequency of 2 times per second (completely off / on). Spotlights flash only in the kitchen. What is the reason?
Is it safe to use the Xiaomi kettle if there is an adapter on the plug?
We bought a Xiaomi teapot, the plug turned out to be non-standard with an adapter. The adapter sits tightly, with grounding. Is it safe to use such a kettle?
Can I change the controller from the chandelier to another, with the same characteristics?
Chandelier with wireless on / off, burned out controller (model y-7e). Is there any difference what model the unit will be, if the characteristics are the same?
How to connect the socket from the single-key switch?
A light switch for a bulb (2 wires) is installed on the wall. How to connect the outlet from the single-button switch? Is this even possible?
How to lower and regulate the engine speed of the grain crusher?
There is a motor from a grain mill with a capacity of 1700 watts. It is necessary to lower the speed and adjust from 200 to 400 (500). Which device to purchase and install?
