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Md Jony Islam
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Maล‚gorzata Koperska, MD Steven Wooding
Last updated: October 19, 2025

Two Room Complete Electrical House Wiring Diagram Guide

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Single Phase Energy Meter

Single Phase Energy Meter

Device to measure energy consumption in single phase

Single phase Light

Ceiling Fan

Electric fan mounted on ceiling for air flow

Single phase Light

Single Phase LED Light

Energy-efficient LED light for single-phase supply

Single Phase DP MCB

Single Phase DP MCB

Double Pole Miniature Circuit Breaker for single-phase supply

10A SP MCB

10A SP MCB

Single Pole Miniature Circuit Breaker, 10 Amp

Single phase Light

4 Switch Gang

A wall plate unit containing 4 individual switches

Fan Dimmer Switch

Fan Dimmer Switch

Adjustable switch to control ceiling fan speed

Single Phase Gang Socket

8-pin Socket Gang

Electrical socket board with 8 outlets (pins) for multiple devices

*Please note: These are affiliate links. I may make a commission if you buy the components through these links. I would appreciate your support in this way!

2-Room Complete Electrical House Wiring

Learn how to wire a complete two-room house, including lights, sockets, switches, MCBs, and earthing for safe and efficient electrical installation.

two room house wiring diagram

The diagram shows the entire wiring of a two-room house, comprising of supply, switches, lights, sockets, fans, MCBs and earthing, so that there is safe and efficient operation.

house wiring connection diagram for two rooms:

In this two-room whole house electrical wiring diagram, it is demonstrated how one can safely and effectively wire lights, sockets, switches, and appliances in a small house. Every room has light points, power outlets, and fan connections with control of wall switches. The supply is supplied to a main distribution board with MCBs, RCC, B, overload, and short circuit fuses. Earthing is done properly to provide safety, and the neutral connections stabilize the voltage. It is wired in standard phase and neutral colour codes so that it can be maintained easily. This configuration provides the possibility of control of lights and power outlets independently in each room and prevents failures in the system. The diagram also helps in ensuring that the installation is done in accordance with the safety standardsminimizesze energylossess makesmake troubleshooting easy.

Work & Installation (Input โ†’ Output,)

  • Main Supply Connection: Feed main supply to the distribution board.
  • Distribution Board: Install MCBs for each room and RCCB for overall protection.
  • Room Wiring: Run phase (L) and neutral (N) wires to lights, sockets, and fans.
  • Switches: Connect wall switches to control lights and ceiling fans.
  • Sockets/Power Points: Connect outlets for appliances in each room, ensuring proper rating.
  • Fan Wiring: Connect ceiling fans with regulator points if required.
  • Earthing: Properly earth distribution board, switches, sockets, and metallic appliances.
  • Labeling: Mark circuits for easy identification.
  • Testing: Verify each light, fan, and socket works independently.
  • Final Adjustment: Ensure all protective devices work and wiring is neat.

Testing & Final Adjustments

Wire and then switch ON the main supply. Check the lights, fans, and sockets in the two rooms separately. Wall switches to use with correct ON/ OFF. Check phase continuity, neutral continuity, and earth continuity with a multimeter. MCBs and RCCB Testing Check Connection Tripping Check Testing Check Tripping is also required to ensure the correct tripping when a fault occurs. Check cable connections to ensure that they are tight, insulated, and properly laid. Labeling: In the distribution board, label each circuit of the circuit board to make the circuit board easy to maintain. Check earthing resistance again and make sure that metallic fixtures are grounded. Test lights and fans several times to ensure that they work well. Proper testing and adjustments will result in energy savings, eliminate hazards associated with electricity,a nd grant the appliances a longer life span.

Frequently Asked Questions - 2-Room Complete Electrical House Wiring:

What is two-room house wiring?

Complete electrical wiring setup for lights, sockets, switches, and fans in two rooms.

How is supply connected?

Main supply is fed to a distribution board with MCBs and RCCB.

Are protective devices needed?

Yes, MCBs and RCCB protect against overload and short circuit.

How are lights connected?

Lights are connected through switches to control ON/OFF in each room.

How are sockets connected?

Sockets are connected to phase and neutral via MCBs for protection.

Is earthing necessary?

Yes, for safety of metallic appliances and overall system.

Can fans be regulated?

Yes, connect ceiling fans via regulator points if needed.

How to test wiring?

Check each light, socket, and fan individually and verify protection devices.

Why follow a wiring diagram?

Ensures safety, proper operation, and easier maintenance.

Can this be extended for more rooms?

Yes, additional circuits and MCBs can be added.

Md Jony Islam

Md Jony Islam

CalculatorToolsProject

Founder of Earthbondhon.com

a free online tools website designed to make everyday and engineering-related calculations easier for students, professionals, and hobbyists. The site offers a wide range of basic calculators across key categories, including Electrical Calculators, Electronic Calculators, and Time & Date Calculators.