Complete house wiring with inverter connection for all rooms | House wiring connection 3 room
Automatic UPS / Inverter Connections
In case of an emergency breakdown when utility power is unavailable from the power house, we may use an automatic inverter / UPS wiring circuit with batteries to maintain uninterrupted power.
We will show two basic methods of wiring and connection of UPS / Inverter with batteries to the home distribution and main panel board.
Auto UPS / Inverter with Two Wires
Automatic USP / Inverter Wiring with One Live Wire
Note: To be on safe side, use 6 AWG (7/064″ or 16mm2) cable and wire size to connect the UPS to the main panel board.
Related Post: How to Connect a Portable Generator to the Home Supply – 4 Methods
Automatic UPS / Inverter Wiring with two Wires.
No rocket science here. Just connect the outgoing Neutral and Live wires to the UPS. Now connect the two outgoing Neutral and Phase wires from UPS / Inverter (As output) to the appliances as shown in fig 1.
UPS / Inverter Wiring with Single Additional Live Wire
As a basic, we know that each load points should be connected through Live (Phase) and Neutral wire to operate normally. In case below, we have already connected the Phase & Neutral (from Power house to the utility pole & Distribution board then) to each electrical appliance i.e. Fans, Light points etc. That’s what we do in our distribution board for home wiring.
Related Electrical Wiring Tutorial: UPS/Inverter Wiring Diagram With Auto & Manual Changeover Switch System.
Now, according to the UPS connection diagram below, connect an additional wire (Phase) to those appliances where we have already connected Phase and Neutral wires from the power house and distribution board (DB) (i.e., two wires as Phase (Live), as shown in the figure below).
There is no need to connect an extra Neutral wire from the UPS since it is already installed and connected beforehand. In simple terms, you only need a live wire to connect to the appliances, as illustrated in Figure 2. Now, the question arises, “Why an extra Phase wire and not a Neutral?” Well, read the following explanation of the circuit’s working and operation to understand the idea.
Working and Operation of UPS Connection
(1)When utility power is not available from power house
In this case, electric supply will continue through Phase wire (Output of UPS) which is connected to the batteries and UPS and then to electrical appliances (Note that Neutral is already connected). So the first one phase wire which has already connected before UPS installation (i.e. Live Wire from Main board to UPS) would be inactive because power supply is not available from power house. In this case, connected electrical appliances through the live wire from UPS / Inverter consume the stored electrical energy in the batteries without interruption.
Related Tutorials:
Three Phase Electrical Wiring Installation in Home – NEC & IEC
Three Phase Electrical Wiring Installation in a Multi-Story Building
(2) When power supply restores from power grid
Then power supply will continue through the Phase wire (Note that Neutral is already connected) which is connected to the UPS from main board (it will charge your battery as well) and then from UPS to connected electrical appliances. So the second one (phase or live wire) which is connected after UPS installation (i.e. One Live Wire from UPS) would be inactive because power supply is not available from UPS and batteries (Because it is Automatic UPS System).
Related Posts:
How To Wire a Single Phase Energy Meter?
How To Wire a 3 Phase kWh meter?
How to Connect a UPS / Inverter to the Switch Board?
The below fig 3 shows that how to connect a UPS / Inverter with batteries to the Main Distribution Unit for continues power supply in case of the utility power failure.
Complete house wiring with inverter connection for all rooms | House wiring connection 3 room
Automatic UPS / Inverter Connections
In case of an emergency breakdown when utility power is unavailable from the power house, we may use an automatic inverter / UPS wiring circuit with batteries to maintain uninterrupted power.
We will show two basic methods of wiring and connection of UPS / Inverter with batteries to the home distribution and main panel board.
Auto UPS / Inverter with Two Wires
Automatic USP / Inverter Wiring with One Live Wire
Note: To be on safe side, use 6 AWG (7/064″ or 16mm2) cable and wire size to connect the UPS to the main panel board.
Related Post: How to Connect a Portable Generator to the Home Supply – 4 Methods
Automatic UPS / Inverter Wiring with two Wires.
No rocket science here. Just connect the outgoing Neutral and Live wires to the UPS. Now connect the two outgoing Neutral and Phase wires from UPS / Inverter (As output) to the appliances as shown in fig 1.
UPS / Inverter Wiring with Single Additional Live Wire
As a basic, we know that each load points should be connected through Live (Phase) and Neutral wire to operate normally. In case below, we have already connected the Phase & Neutral (from Power house to the utility pole & Distribution board then) to each electrical appliance i.e. Fans, Light points etc. That’s what we do in our distribution board for home wiring.
Related Electrical Wiring Tutorial: UPS/Inverter Wiring Diagram With Auto & Manual Changeover Switch System.
Now, according to the UPS connection diagram below, connect an additional wire (Phase) to those appliances where we have already connected Phase and Neutral wires from the power house and distribution board (DB) (i.e., two wires as Phase (Live), as shown in the figure below).
There is no need to connect an extra Neutral wire from the UPS since it is already installed and connected beforehand. In simple terms, you only need a live wire to connect to the appliances, as illustrated in Figure 2. Now, the question arises, “Why an extra Phase wire and not a Neutral?” Well, read the following explanation of the circuit’s working and operation to understand the idea.
Working and Operation of UPS Connection
(1)When utility power is not available from power house
In this case, electric supply will continue through Phase wire (Output of UPS) which is connected to the batteries and UPS and then to electrical appliances (Note that Neutral is already connected). So the first one phase wire which has already connected before UPS installation (i.e. Live Wire from Main board to UPS) would be inactive because power supply is not available from power house. In this case, connected electrical appliances through the live wire from UPS / Inverter consume the stored electrical energy in the batteries without interruption.
Related Tutorials:
Three Phase Electrical Wiring Installation in Home – NEC & IEC
Three Phase Electrical Wiring Installation in a Multi-Story Building
(2) When power supply restores from power grid
Then power supply will continue through the Phase wire (Note that Neutral is already connected) which is connected to the UPS from main board (it will charge your battery as well) and then from UPS to connected electrical appliances. So the second one (phase or live wire) which is connected after UPS installation (i.e. One Live Wire from UPS) would be inactive because power supply is not available from UPS and batteries (Because it is Automatic UPS System).
Related Posts:
How To Wire a Single Phase Energy Meter?
How To Wire a 3 Phase kWh meter?
How to Connect a UPS / Inverter to the Switch Board?
The below fig 3 shows that how to connect a UPS / Inverter with batteries to the Main Distribution Unit for continues power supply in case of the utility power failure.
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