What is asynchronous motor slip
The slip of an induction motor characterizes the lag of the rotor from the stator field. What it is, how it differs in different operating modes and how to measure the slip, read the article.
How to connect a SCEN heater?
There are 6 SKEN 40-25 TU-21-25-290-85 heaters in the garage. Testing by the tester showed that they are working, but they did not work when connected. What is the problem?
Low voltage at half of the outlets in the apartment
In half of the outlets in the apartment, the voltage is reduced by 40 volts. The light and the second part of the sockets are working properly. What could be the reason?
Why does an RCD work in a new building?
When installing wiring damaged zero core. Earth and phase are whole. After installing the sconce of this, an RCD started to work in the apartment and access electrical switchboard.
Characteristics of VVGNG-LS cable
Design features and characteristics of the VVGNG-LS cable. Explanation of the marking and the cross-sectional table of the conductor. Analogs and manufacturing plants VVGNG-LS.
How to add a socket without gating walls?
There are two outlets. We want to install a dishwasher. But to connect it, you need one more outlet. Tell me how to add a socket without gating?
What to add to the circuit so that the LED lamp does not blink?
The lamp with the LED lamp blinks in the switched off state. Installing a resistor and capacitor in parallel did not help. What could be the reason?
Why doesn't the light switch switch modes correctly?
The 6 channel elektrostandard y6 controller works well from the remote control, but it does not work when controlled from the wall switch.
Can a differential machine operate on a voltage drop?
When the machine is turned on with a power of 1.5 kW, a voltage drop occurs. After that, the differential machine is turned off. What could be the reason?
How to regulate the power of the heating element?
It is necessary to adjust the power of the heating elements. How can I do that? How to make smooth power adjustment? How to choose a heating controller?
Engines do not start - what could be the reason?
There is voltage, the starter is triggered, but none of the 4 electric motors starts, they do not even buzz. But the starter turns on. What could be the reason?
How to distinguish zero from grounding?
When connecting the electric stove there was a problem: I can not distinguish zero from the ground.Tell me how to determine where PE, and where N, if they call each other?
EKF metal trays - a systematic approach to cable management
What are the metal trays EKF, how they are arranged. Overview of perforated, non-perforated, wire and stairways from EKF.
Electric stove connection from one phase to three
It is necessary to redo the electrical panel to connect the electric stove from one phase to three. Can I use two cables with different cross sections and set the machine to zero?
What can click in the switchboard?
After replacing the wiring, we noticed that when you turn on the washing machine or electric stove, after a while something clicks in the electrical panel. What could it be?
Decoding of marking of electric motors of domestic and import
The structure of the marking and designations of domestic engines such as AIR and foreign Siemens and their interpretation. Designation of the ends of the windings in brno.
What are the rules of the EMP most often violated and what responsibility for violations
What rules do PUEs violate most often and how to do it right, without violations. Responsibility for violation of electrical installation rules.
Is installing a washing machine outlet under the sink safe?
They put a washing machine under the sink, a sink on the countertop, and the outlet was installed 60 cm from the mixer. Is such a solution safe?
The meter near the wires melted and bursts under load
The light began to blink in the apartment. I noticed that the counter was melted in the place of connecting the wires. If the washing machine is working, the counter starts to mumble. What to do?
How to connect lamps and switches in a cafe?
In the cafe you need to install 7 lamps. Switches for every two fixtures and for one remaining separate. Tell me how to properly wiring for them?
Is it wrong to connect wires to the difavtomatom?
To the difavtomat, in which the phase and zero releases are at both poles, the output is mixed up. Is such use acceptable and dangerous?
How to lay the cable from the access panel into the apartment?
What cable to use to connect the apartment electrical panel from the floor? How to lay it, in the corrugation or cable channel?
Help determine the malfunction of the pump Umnitsa BTs-3
When the pump was connected to the mains, the engine started, then stopped, there was a clap and the machine was knocked out. What is the cause of the malfunction and connect the capacitor to the motor?
Why is an RCD triggered in an electrical panel for no apparent reason?
In the shield there is an RCD at the input and group machines. When devices are connected to one of the groups, an RCD trips and disconnects the line. What could be the reason?
