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Electrical Online 4u – All About Electrical & Electronics

A platform to learn electrical wiring, single phase, 3 phase wiring, controlling, HVAC, electrical installation, electrical diagrams

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electronics devices
Basic Electronics 

Introduction To Electronics Beginners Guide

December 2, 2015November 26, 2022 Sikandar Haidar 4 Comments

If a person said to you that life is boring without electronics then he/she is 100% right, and it is

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UPS inverter wiring diagram
UPS Inverter Wiring Diagrams 

How To Install UPS & Inverter Wiring In 2 Rooms?

December 1, 2015November 11, 2022 Sikandar Haidar 10 Comments

For emergency AC power supply we use inverter / UPS, which work very well for the low load. In some

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light indicator wiring diagram
Power Wiring And Controlling 

Light Indicator Wiring Diagrams For 3 Phase

November 28, 2015November 26, 2022 Sikandar Haidar 0 Comments

In the power wiring or 3-phase 4-wire system, we used the 3-phase power of all-electric induction motors, equipment, etc, but

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UPS wiring diagram for one room
UPS Inverter Wiring Diagrams 

UPS & Inverter Wiring Diagram For One Room/Office

November 22, 2015November 11, 2022 Sikandar Haidar 19 Comments

Nowadays in many countries load shedding is one of the big issues and many people use inverters / UPS for

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ups inverter battery connection diagram
UPS Inverter Wiring Diagrams 

How To Connect Two Batteries To Inverter & 24 Volts UPS 2 Batteries

November 20, 2015November 11, 2022 Sikandar Haidar 97 Comments

In my last tutorial post, I published a diagram about how to connect one batter to an inverter / UPS

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ups inverter battery connection diagram
UPS Inverter Wiring Diagrams 

How To Connect UPS & Inverter to Battery and To AC Supply

November 17, 2015November 11, 2022 Sikandar Haidar 84 Comments

Nowadays in some countries load shedding is a big problem in Pakistan and India. And these countries peoples use UPS

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4 pole rcd circuit breaker wiring
3 Phase Wiring 

4 Pole RCCB RCD Wiring Diagram For 3 Phase 4 Wire System

November 15, 2015November 15, 2022 Sikandar Haidar 3 Comments

In my last published post, I shared a diagram about double pole RCD wiring diagram, and now in this post,

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RCCB RCD wiring diagram
Single Phase Wiring 

How To Do 2 Pole Fixed RCCB | RCD Wiring Diagram

November 13, 2015November 26, 2022 Sikandar Haidar 2 Comments

Everyone knows that Electricity is dangerous, and mostly in our homes, we wearied about our children because kids./children always to

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contactor wiring diagram for 3 phase motor
Power Wiring And Controlling 

Contactor Wiring Diagram For 3 Phase Motor with Overload relay

November 10, 2015November 25, 2022 Sikandar Haidar 51 Comments

In the industrial system, we use mostly three phases of electric power for electric induction motors. A single-phase induction motor

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Ammeter wiring diagram with a current transformer
Power Wiring And Controlling 

Digital Ammeter Wiring With Current Transformer – CT Coil

November 7, 2015November 26, 2022 Sikandar Haidar 3 Comments

Whenever we wired our home, we use electric power or share our electricity. Every time we want to find out

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Recent Posts

  • How to Control Motor From Two Places
  • 220 Volt Single Phase Capacitor Start Motor Wiring Diagram
  • Permanent Split Capacitor Motor Wiring Diagram
  • Single Phase Motor Capacitor Start Capacitor Run Wiring Diagram
  • Fridge Compressor Overheating And Shutting Off Problems And solutions

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