Rovus Handy Heater portable heater review - is it worth it to buy?
Overview of the Rovus Handy Heater Indoor Portable Heater. All technical characteristics, advantages and disadvantages are considered. Is it worth it to buy?
Is it possible to connect a mirror with lighting and heating to the wiring of the lamp?
Is it possible to connect a illuminated and heated mirror for the bathroom to the lamp, how to do it right?
Can I use a choke to protect against overvoltage (like a stabilizer)?
If instead of a stabilizer, install a throttle (for example, up to 100 turns with a cross-section of 1.5 square mm). Will it protect my household appliances from power surges?
How to connect the lamp to a two-gang switch?
4 wires come out of the ceiling, a two-gang switch is installed on the wall, I can’t figure out how to connect the lamp.
Why is the USB LED garland heated?
I bought a USB-LED garland, in the place marked in the picture when connected it is heated so that it is impossible to hold with your fingers, What’s the matter, how to be?
Is it possible to connect kitchen appliances in one line or split into groups?
Do I need to put the washing machine on a separate line? Can an electric kettle, microwave, vacuum cleaner, and other powerful appliances be connected to the same line of sockets?
Help determine what kind of electrical appliance
At the entrance there are 4 capacitors mbgch-1 2mkf 500v each, the rest is flooded with something black. What could it be? There are no inscriptions and signs.
What RCD choose to enter, if the machine is 25A?
Introductory machine at 25A, followed by 5 machines at 16A and one at 10A. I want to put one RCD on all machines. Which denomination to choose?
Why does the LED spotlight glow after turning off?
In SNT we changed two streetlights to LED FERON - LL-922 floodlights. After turning off, they are dimly lit at the edges. What could be the reason?
Will the difavtomat work if there is no grounding?
I set the difavtomat. No grounding. If we throw earth parallel to the zero wire, and phase and zero through the differential, will it work for a leak or not?
How to conduct wiring in the country - step by step guide
A step-by-step description of all the stages of laying the wiring in the country with your own hands. Wiring diagram from the shield. How to conduct internal and external wiring.
PUE 7 Chapter 2.4: Overhead power lines with voltage up to 1 kV
PUE 7th edition, Section 2, Chapter 2.4 - Overhead power lines with voltage up to 1 kV. Paragraphs 2.4.1.-2.4.95. Download the document in PDF format.
PUE 7 Chapter 2.3: Cable lines with voltage up to 220 kV
PUE 7th edition, Section 2, Chapter 2.3 - Cable lines with voltage up to 220 kV. Clauses 2.3.1.-2.3.150. Download the document in PDF format on the our.electricianexp website.
PUE 7 Chapter 2.2: Current conductors with voltage up to 35 kV
ПУЭ 7 edition, Section 2, Chapter 2.2 - Current conductors with voltage up to 35 kV. Clauses 2.2.1.-2.2.40. Download the document in PDF format.
PUE 7 Chapter 2.1: Wiring
PUE 7th Edition, Section 2, Chapter 2.1 - Electrical Wiring. Paragraphs 2.1.1.-2.1.79. Download the document in PDF format from the our.electricianexp website.
Why does a 63A machine knock out at the input?
The machine is knocked out at 63 amperes, a 9 kW boiler is connected to it, the cable was slightly warmed up. Knocks out every half hour, if you turn off one ten - does not knock out
What could be the consequences if damaged wiring while drilling?
When drilling with a drill, one neutral wire and phase wire were damaged. The damaged wire has been replaced. After this shorty there may be consequences?
How to extend the cable for the induction cooker?
Hello! Tell me how to lengthen the cable for the induction cooker, 4 meters is not enough. Tell me the best and safest ways to lengthen.
Power Distribution Notification of Incorrect PE and N Connection
A notification has arrived that says about the violation of the rules of the EMP and the connection of PE and N after the opening machine, what should I do?
What section does the wire need for a 2 A fuse?
Hello! What section should be the wire for fuse fuse with a rated current of 2 A?
Selection of LED drivers for CREE XM-L2 U2 LEDs
You need to connect 10 CREE XM-L2 U2 LEDs to operate at 60-70% of the rated power, which driver do you recommend?
How to connect a boiler through a contactor?
It is necessary to connect the boiler through the contactor so that when the light in the bathroom is turned on, it turns off, for electrical safety when using hot water.
Where does the voltage on the throttle body to DNaT 250 come from?
I connect a DNaT 250 lamp, a choke, 3 pin IZU, a capacitor. Everything works, but I found the voltage with an indicator screwdriver on the throttle body, is this dangerous?
Why doesn't a single-phase motor rotate?
Single-phase motor does not rotate. How to determine what the malfunction is in the capacitor or in the motor?
