Electrical Wiring InstallationHow To

How To Wire a 3-Phase kWh meter? Installation of 3-Phase Energy Meter.

How To Wire a Three Phase kWh Energy Meter? (3-phase, 4 Wire Energy Meter)

Installation of 3 Phase kWh Energy Meter

today, we are going to show that how to wire and install a 3-Phase kWh energy meter (Three phase or Poly Phase (3-phase, 4 Wire)  (Digital or Analog Energy Meter) from the supply to The Main Distribution Board?

Below is the connection of 3-Phase ( Three phase or Poly Phase (3-phase,4 Wire)) kWh meter (Digital or Analog Energy Meter) from the Supply to The Main Distribution Board.

How To Wire a 3-Phase kWh meter? Installation of 3-Phase Energy Meter.
How To Wire 3-Phase kWh meter

Below is the most common inner connection of of 3-Phase energy meter.

how to install a three phase kWH or Energy meter

Here is another live example of a a three phase energy meter which has been installed on the main pole of source supply.

how to wire 3phase energy meter

how to wire a 3-phase kwh meter?
How to install a Three Phase kWh Energy meter?

In the above graphics and diagrams,

R = RED Phase / Live Wire from the source supply voltage

Y = YELLOW Phase / Live Wire from the source supply voltage

B = BLUE Phase / Live Wire from the source supply voltage

Line or IN =  Incoming Phase / live or Neutral from the source supply voltage

OUT = Out going Phase / live or Neutral to the home main distribution board.

Warning: This example shows the most common used arrangement in the world, but there are variations as well in some areas. In different countries RYB, ABC (old standard) or UVW (newer standard) and maybe others (as Electrical Wiring Color Codes) are used and are equivalent. The setting may be different in other type of kWh or energy meter in different locations around the world. For safety. Please contact to the supply and service provider to confirm the connection type before installation.

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  1. Everything is a very clear explanation of concerns. Detailed actually. The site is really useful, thank you very much for sharing.

  2. A very usefull site, now i’m addicted to this place every time i have a question this is the first place i check
    Thank you guys May Allah reward you for this amazing job you’re doing.

  3. Thank you for this posting. How can indicator lights can be wired to indicate the phases that has light close to the meter. Pls show the connection diagram. Thanks

  4. i am elctrical student plz upload ups with battry conacation and solar plates conaction cantroler with battry
    and kindly upload 3phase house waring .

  5. Diar sar how to joind anarjy mitar in 3 phas line about 100 Ampairs. Plis simpal daiyagaram. Help mi sar. I am a new electrician.

  6. How would you wire it if it’s only 3-phase 3-wire(which should be a delta connected power source)? Will you just disregard terminals 7 & 8?


  8. Sir I want to know inside the room what clearance should I keep for Installation of a 11kv HT VCB as per IE rules, please answer which will be very helpful to me and also if you published all the I.E rules which will help us.anta

    Yours servant

  9. Hii connections are nicely expained.
    which energy meter do you suggest for measuring power in which load carries very high current(around 1500A).
    And if we want exact amount of power consumption what can be done?

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