Submain & Circuit Wiring Estimator
Calculate internal SDB circuits scaled per-SQM (Point wiring excluded)
Layout Inputs
Quantity Details
Linear Circuit Estimates (Approx.)
2 x 1.5 sq.mm + 1 x 1.5 sq.mm earth
(20mm Conduit):
0.0 Mtr
2 x 2.5 sq.mm + 1 x 2.5 sq.mm earth
(20mm Conduit):
0.0 Mtr
2 x 4.0 sq.mm + 1 x 4.0 sq.mm earth
(25mm Conduit):
0.0 Mtr
| Material Item Specification | Unit | Total Quantity |
|---|---|---|
| Rigid Steel/PVC Conduit (20 mm) | Mtr | 0.0 |
| Rigid Steel/PVC Conduit (25 mm) | Mtr | 0.0 |
| FRLSH Copper Cable (1.5 sq.mm) | Mtr | 0.0 |
| FRLSH Copper Cable (2.5 sq.mm) | Mtr | 0.0 |
| FRLSH Copper Cable (4.0 sq.mm) | Mtr | 0.0 |
Detailed Reference Measurement – Type II to Type VIII
Note:
Circuit lengths mentioned are indicative for one quarter unit, covering SDB to final switchboard, power socket, and heavy socket connections. Point wiring is not included. Final quantities must always be checked against the approved electrical layout and actual site conditions.
Type II – 75 sqm
| Sl. No. | Circuit / Wiring | Route / Description | Length (m) |
|---|---|---|---|
| 1.5 sq.mm Final Switchboards – 2 x 1.5 sq.mm + 1 x 1.5 sq.mm Earth in 20mm Conduit | |||
| 1 | 1.5 sq.mm Final SB | SDB to Drawing Room Switchboard | 8.0 |
| 2 | 1.5 sq.mm Final SB | SDB to Bedroom 1 Switchboard | 12.0 |
| 3 | 1.5 sq.mm Final SB | SDB to Bedroom 2 Switchboard | 15.0 |
| 4 | 1.5 sq.mm Final SB | SDB to Kitchen & Balcony Switchboard | 10.0 |
| 5 | 1.5 sq.mm Final SB | SDB to Toilets 1 & 2 (Looped Light SBs) | 14.0 |
| 2.5 sq.mm Power Sockets – 2 x 2.5 sq.mm + 1 x 2.5 sq.mm Earth in 20mm Conduit | |||
| 6 | 2.5 sq.mm Power Socket | SDB to Drawing Room Power Plug | 10.0 |
| 7 | 2.5 sq.mm Power Socket | SDB to Bedrooms 1 & 2 Power Plugs (Looped) | 16.0 |
| 4.0 sq.mm Heavy Sockets – 2 x 4.0 sq.mm + 1 x 4.0 sq.mm Earth in 25mm Conduit | |||
| 8 | 4.0 sq.mm Heavy Socket | SDB to Drawing Room AC Point | 10.0 |
| 9 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 1 AC Point | 14.0 |
| 10 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 2 AC Point | 17.0 |
| 11 | 4.0 sq.mm Heavy Socket | SDB to Kitchen Oven/Fridge Power | 12.0 |
| 12 | 4.0 sq.mm Heavy Socket | SDB to Toilet 1 Geyser | 13.0 |
| 13 | 4.0 sq.mm Heavy Socket | SDB to Toilet 2 Geyser | 15.0 |
| 14 | 4.0 sq.mm Heavy Socket | SDB to Balcony Washing Machine | 18.0 |
Type III – 85 sqm
| Sl. No. | Circuit / Wiring | Route / Description | Length (m) |
|---|---|---|---|
| 1.5 sq.mm Final Switchboards – 2 x 1.5 sq.mm + 1 x 1.5 sq.mm Earth in 20mm Conduit | |||
| 1 | 1.5 sq.mm Final SB | SDB to Drawing Room Switchboard | 10.0 |
| 2 | 1.5 sq.mm Final SB | SDB to Bedroom 1 Switchboard | 14.0 |
| 3 | 1.5 sq.mm Final SB | SDB to Bedroom 2 Switchboard | 16.0 |
| 4 | 1.5 sq.mm Final SB | SDB to Study Room Switchboard | 12.0 |
| 5 | 1.5 sq.mm Final SB | SDB to Kitchen & Balcony Switchboard | 11.0 |
| 6 | 1.5 sq.mm Final SB | SDB to Toilets 1 & 2 (Looped Light SBs) | 15.0 |
| 2.5 sq.mm Power Sockets – 2 x 2.5 sq.mm + 1 x 2.5 sq.mm Earth in 20mm Conduit | |||
| 7 | 2.5 sq.mm Power Socket | SDB to Drawing/Study Power Sockets | 12.0 |
| 8 | 2.5 sq.mm Power Socket | SDB to Bedrooms 1 & 2 Power Plugs | 18.0 |
| 4.0 sq.mm Heavy Sockets – 2 x 4.0 sq.mm + 1 x 4.0 sq.mm Earth in 25mm Conduit | |||
| 9 | 4.0 sq.mm Heavy Socket | SDB to Drawing Room AC Point | 12.0 |
| 10 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 1 AC Point | 15.0 |
| 11 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 2 AC Point | 18.0 |
| 12 | 4.0 sq.mm Heavy Socket | SDB to Study Room AC Point | 14.0 |
| 13 | 4.0 sq.mm Heavy Socket | SDB to Kitchen Oven/Fridge Power | 13.0 |
| 14 | 4.0 sq.mm Heavy Socket | SDB to Toilet 1 Geyser | 14.0 |
| 15 | 4.0 sq.mm Heavy Socket | SDB to Toilet 2 Geyser | 16.0 |
| 16 | 4.0 sq.mm Heavy Socket | SDB to Balcony Washing Machine | 20.0 |
Type IV – 110 sqm
| Sl. No. | Circuit / Wiring | Route / Description | Length (m) |
|---|---|---|---|
| 1.5 sq.mm Final Switchboards – 2 x 1.5 sq.mm + 1 x 1.5 sq.mm Earth in 20mm Conduit | |||
| 1 | 1.5 sq.mm Final SB | SDB to Drawing Room Switchboard | 12.0 |
| 2 | 1.5 sq.mm Final SB | SDB to Dining Room Switchboard | 10.0 |
| 3 | 1.5 sq.mm Final SB | SDB to Bedroom 1 (Master) Switchboard | 16.0 |
| 4 | 1.5 sq.mm Final SB | SDB to Bedroom 2 Switchboard | 18.0 |
| 5 | 1.5 sq.mm Final SB | SDB to Bedroom 3 Switchboard | 20.0 |
| 6 | 1.5 sq.mm Final SB | SDB to Kitchen Switchboard | 14.0 |
| 7 | 1.5 sq.mm Final SB | SDB to Toilets 1, 2, and 3 Switchboards (looped) | 22.0 |
| 8 | 1.5 sq.mm Final SB | SDB to Servant Quarter Switchboard | 25.0 |
| 2.5 sq.mm Power Sockets – 2 x 2.5 sq.mm + 1 x 2.5 sq.mm Earth in 20mm Conduit | |||
| 9 | 2.5 sq.mm Power Socket | SDB to Drawing & Dining Room General Sockets | 14.0 |
| 10 | 2.5 sq.mm Power Socket | SDB to Bedrooms 1, 2, and 3 General Sockets | 24.0 |
| 4.0 sq.mm Heavy Sockets – 2 x 4.0 sq.mm + 1 x 4.0 sq.mm Earth in 25mm Conduit | |||
| 11 | 4.0 sq.mm Heavy Socket | SDB to Drawing Room AC Outlet | 14.0 |
| 12 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 1 AC Outlet | 18.0 |
| 13 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 2 AC Outlet | 20.0 |
| 14 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 3 AC Outlet | 22.0 |
| 15 | 4.0 sq.mm Heavy Socket | SDB to Kitchen Oven / Fridge Sockets | 16.0 |
| 16 | 4.0 sq.mm Heavy Socket | SDB to Toilet 1 Geyser Outlet | 18.0 |
| 17 | 4.0 sq.mm Heavy Socket | SDB to Toilet 2 Geyser Outlet | 20.0 |
| 18 | 4.0 sq.mm Heavy Socket | SDB to Toilet 3 Geyser Outlet | 22.0 |
| 19 | 4.0 sq.mm Heavy Socket | SDB to Servant Quarter Utility Sockets | 26.0 |
| 20 | 4.0 sq.mm Heavy Socket | SDB to Utility Balcony (Washing Machine Point) | 22.0 |
Type V – 186.5 sqm
| Sl. No. | Circuit / Wiring | Route / Description | Length (m) |
|---|---|---|---|
| 1.5 sq.mm Final Switchboards- 2 x 1.5 sq.mm + 1 x 1.5 sq.mm Earth in 20mm Conduit | |||
| 1 | 1.5 sq.mm Final SB | SDB to Drawing Room Switchboard | 15.0 |
| 2 | 1.5 sq.mm Final SB | SDB to Dining Room Switchboard | 12.0 |
| 3 | 1.5 sq.mm Final SB | SDB to Bedroom 1 (Master) Switchboard | 18.0 |
| 4 | 1.5 sq.mm Final SB | SDB to Bedroom 2 Switchboard | 20.0 |
| 5 | 1.5 sq.mm Final SB | SDB to Bedroom 3 Switchboard | 22.0 |
| 6 | 1.5 sq.mm Final SB | SDB to Kitchen & Store Switchboards (looped) | 16.0 |
| 7 | 1.5 sq.mm Final SB | SDB to Toilets 1, 2, and 3 Switchboards (looped) | 25.0 |
| 8 | 1.5 sq.mm Final SB | SDB to Servant Quarter Switchboard | 30.0 |
| 2.5 sq.mm Power Sockets- 2 x 2.5 sq.mm + 1 x 2.5 sq.mm Earth in 20mm Conduit | |||
| 9 | 2.5 sq.mm Power Socket | SDB to Drawing & Dining Room General Sockets | 18.0 |
| 10 | 2.5 sq.mm Power Socket | SDB to Bedrooms 1, 2, and 3 General Sockets | 28.0 |
| 4.0 sq.mm Heavy Sockets- 2 x 4.0 sq.mm + 1 x 4.0 sq.mm Earth in 25mm Conduit | |||
| 11 | 4.0 sq.mm Heavy Socket | SDB to Drawing Room AC Outlet | 16.0 |
| 12 | 4.0 sq.mm Heavy Socket | SDB to Dining Room AC Outlet | 14.0 |
| 13 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 1 AC Outlet | 20.0 |
| 14 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 2 AC Outlet | 22.0 |
| 15 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 3 AC Outlet | 24.0 |
| 16 | 4.0 sq.mm Heavy Socket | SDB to Kitchen Oven / Refrigerator Sockets | 18.0 |
| 17 | 4.0 sq.mm Heavy Socket | SDB to Toilet 1 Geyser Outlet | 20.0 |
| 18 | 4.0 sq.mm Heavy Socket | SDB to Toilet 2 Geyser Outlet | 22.0 |
| 19 | 4.0 sq.mm Heavy Socket | SDB to Toilet 3 Geyser Outlet | 24.0 |
| 20 | 4.0 sq.mm Heavy Socket | SDB to Servant Quarter Utility Sockets | 32.0 |
| 21 | 4.0 sq.mm Heavy Socket | SDB to Utility Washing Machine Point | 25.0 |
Type VI – 254 sqm
| Sl. No. | Circuit / Wiring | Route / Description | Length (m) |
|---|---|---|---|
| 1.5 sq.mm Final Switchboards- 2 x 1.5 sq.mm + 1 x 1.5 sq.mm Earth in 20mm Conduit | |||
| 1 | 1.5 sq.mm Final SB | SDB to Office / Study Room Switchboard | 18.0 |
| 2 | 1.5 sq.mm Final SB | SDB to Drawing Room Switchboard | 18.0 |
| 3 | 1.5 sq.mm Final SB | SDB to Dining Room Switchboard | 14.0 |
| 4 | 1.5 sq.mm Final SB | SDB to Bedroom 1 (Master) Switchboard | 22.0 |
| 5 | 1.5 sq.mm Final SB | SDB to Bedroom 2 Switchboard | 24.0 |
| 6 | 1.5 sq.mm Final SB | SDB to Bedroom 3 Switchboard | 26.0 |
| 7 | 1.5 sq.mm Final SB | SDB to Bedroom 4 Switchboard | 28.0 |
| 8 | 1.5 sq.mm Final SB | SDB to Kitchen & Store Switchboards (looped) | 20.0 |
| 9 | 1.5 sq.mm Final SB | SDB to Toilets 1, 2, 3, and 4 Switchboards (looped) | 35.0 |
| 10 | 1.5 sq.mm Final SB | SDB to Servant Quarter Switchboard | 35.0 |
| 2.5 sq.mm Power Sockets- 2 x 2.5 sq.mm + 1 x 2.5 sq.mm Earth in 20mm Conduit | |||
| 11 | 2.5 sq.mm Power Socket | SDB to Office, Drawing & Dining Room General Sockets | 22.0 |
| 12 | 2.5 sq.mm Power Socket | SDB to Bedrooms 1 to 4 General Sockets | 36.0 |
| 4.0 sq.mm Heavy Sockets- 2 x 4.0 sq.mm + 1 x 4.0 sq.mm Earth in 25mm Conduit | |||
| 13 | 4.0 sq.mm Heavy Socket | SDB to Office AC Outlet | 20.0 |
| 14 | 4.0 sq.mm Heavy Socket | SDB to Drawing Room AC Outlet | 20.0 |
| 15 | 4.0 sq.mm Heavy Socket | SDB to Dining Room AC Outlet | 16.0 |
| 16 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 1 AC Outlet | 24.0 |
| 17 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 2 AC Outlet | 26.0 |
| 18 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 3 AC Outlet | 28.0 |
| 19 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 4 AC Outlet | 30.0 |
| 20 | 4.0 sq.mm Heavy Socket | SDB to Kitchen Oven / Refrigerator Sockets | 22.0 |
| 21 | 4.0 sq.mm Heavy Socket | SDB to Toilet 1 Geyser Outlet | 22.0 |
| 22 | 4.0 sq.mm Heavy Socket | SDB to Toilet 2 Geyser Outlet | 24.0 |
| 23 | 4.0 sq.mm Heavy Socket | SDB to Toilet 3 Geyser Outlet | 24.0 |
| 24 | 4.0 sq.mm Heavy Socket | SDB to Toilet 4 Geyser Outlet | 26.0 |
| 25 | 4.0 sq.mm Heavy Socket | SDB to Servant Quarter Utility Sockets | 38.0 |
| 26 | 4.0 sq.mm Heavy Socket | SDB to Utility Washing Machine Point | 28.0 |
Type VII – 381 sqm
| Sl. No. | Circuit / Wiring | Route / Description | Length (m) |
|---|---|---|---|
| 1.5 sq.mm Final Switchboards- 2 x 1.5 sq.mm + 1 x 1.5 sq.mm Earth in 20mm Conduit | |||
| 1 | 1.5 sq.mm Final SB | SDB to Office / Study Room Switchboard | 22.0 |
| 2 | 1.5 sq.mm Final SB | SDB to Drawing Room Switchboard | 22.0 |
| 3 | 1.5 sq.mm Final SB | SDB to Dining Room Switchboard | 18.0 |
| 4 | 1.5 sq.mm Final SB | SDB to Bedroom 1 (Master) Switchboard | 26.0 |
| 5 | 1.5 sq.mm Final SB | SDB to Bedroom 2 Switchboard | 28.0 |
| 6 | 1.5 sq.mm Final SB | SDB to Bedroom 3 Switchboard | 30.0 |
| 7 | 1.5 sq.mm Final SB | SDB to Bedroom 4 Switchboard | 32.0 |
| 8 | 1.5 sq.mm Final SB | SDB to Kitchen & Store Switchboards (looped) | 25.0 |
| 9 | 1.5 sq.mm Final SB | SDB to Toilets 1, 2, 3, and 4 Switchboards (looped) | 45.0 |
| 10 | 1.5 sq.mm Final SB | SDB to Servant Quarters 1 & 2 Switchboards (looped) | 50.0 |
| 2.5 sq.mm Power Sockets- 2 x 2.5 sq.mm + 1 x 2.5 sq.mm Earth in 20mm Conduit | |||
| 11 | 2.5 sq.mm Power Socket | SDB to Office, Drawing & Dining Room General Sockets | 28.0 |
| 12 | 2.5 sq.mm Power Socket | SDB to Bedrooms 1 to 4 General Sockets | 44.0 |
| 4.0 sq.mm Heavy Sockets- 2 x 4.0 sq.mm + 1 x 4.0 sq.mm Earth in 25mm Conduit | |||
| 13 | 4.0 sq.mm Heavy Socket | SDB to Office AC Outlet | 24.0 |
| 14 | 4.0 sq.mm Heavy Socket | SDB to Drawing Room AC Outlet | 24.0 |
| 15 | 4.0 sq.mm Heavy Socket | SDB to Dining Room AC Outlet | 20.0 |
| 16 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 1 AC Outlet | 28.0 |
| 17 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 2 AC Outlet | 30.0 |
| 18 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 3 AC Outlet | 32.0 |
| 19 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 4 AC Outlet | 34.0 |
| 20 | 4.0 sq.mm Heavy Socket | SDB to Kitchen Oven / Refrigerator Sockets | 26.0 |
| 21 | 4.0 sq.mm Heavy Socket | SDB to Toilets 1 to 4 Geyser Outlets (4 separate runs) | 112.0 |
| 22 | 4.0 sq.mm Heavy Socket | SDB to Servant Quarters 1 & 2 Utility Sockets | 55.0 |
| 23 | 4.0 sq.mm Heavy Socket | SDB to Utility Washing Machine Point | 32.0 |
Type VIII – 560 sqm
| Sl. No. | Circuit / Wiring | Route / Description | Length (m) |
|---|---|---|---|
| 1.5 sq.mm Final Switchboards- 2 x 1.5 sq.mm + 1 x 1.5 sq.mm Earth in 20mm Conduit | |||
| 1 | 1.5 sq.mm Final SB | SDB to Office / Study Room Switchboard | 26.0 |
| 2 | 1.5 sq.mm Final SB | SDB to Drawing Room Switchboard | 26.0 |
| 3 | 1.5 sq.mm Final SB | SDB to Dining Room Switchboard | 22.0 |
| 4 | 1.5 sq.mm Final SB | SDB to Bedroom 1 (Master) Switchboard | 30.0 |
| 5 | 1.5 sq.mm Final SB | SDB to Bedroom 2 Switchboard | 32.0 |
| 6 | 1.5 sq.mm Final SB | SDB to Bedroom 3 Switchboard | 35.0 |
| 7 | 1.5 sq.mm Final SB | SDB to Bedroom 4 Switchboard | 38.0 |
| 8 | 1.5 sq.mm Final SB | SDB to Kitchen & Store Switchboards (looped) | 30.0 |
| 9 | 1.5 sq.mm Final SB | SDB to Toilets 1 to 5 Switchboards (looped) | 60.0 |
| 10 | 1.5 sq.mm Final SB | SDB to Servant Quarters 1 to 4 Switchboards (looped) | 80.0 |
| 2.5 sq.mm Power Sockets- 2 x 2.5 sq.mm + 1 x 2.5 sq.mm Earth in 20mm Conduit | |||
| 11 | 2.5 sq.mm Power Socket | SDB to Office, Drawing & Dining Room General Sockets | 35.0 |
| 12 | 2.5 sq.mm Power Socket | SDB to Bedrooms 1 to 4 General Sockets | 55.0 |
| 4.0 sq.mm Heavy Sockets- 2 x 4.0 sq.mm + 1 x 4.0 sq.mm Earth in 25mm Conduit | |||
| 13 | 4.0 sq.mm Heavy Socket | SDB to Office AC Outlet | 28.0 |
| 14 | 4.0 sq.mm Heavy Socket | SDB to Drawing Room AC Outlets (2 independent runs) | 58.0 (28.0 + 30.0) |
| 15 | 4.0 sq.mm Heavy Socket | SDB to Dining Room AC Outlet | 24.0 |
| 16 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 1 AC Outlet | 32.0 |
| 17 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 2 AC Outlet | 35.0 |
| 18 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 3 AC Outlet | 38.0 |
| 19 | 4.0 sq.mm Heavy Socket | SDB to Bedroom 4 AC Outlet | 40.0 |
| 20 | 4.0 sq.mm Heavy Socket | SDB to Kitchen Oven / Refrigerator Sockets | 32.0 |
| 21 | 4.0 sq.mm Heavy Socket | SDB to Toilets 1 to 5 Geyser Outlets (5 separate runs) | 165.0 |
| 22 | 4.0 sq.mm Heavy Socket | SDB to Servant Quarters 1 to 4 Utility Sockets | 100.0 |
| 23 | 4.0 sq.mm Heavy Socket | SDB to Utility Washing Machine Point | 36.0 |
Consolidated Reference Quantity – Per Quarter Unit
| Quarter | Area (sqm) | 20mm Conduit (m) | 25mm Conduit (m) | (2+1) X 1.5 sq.mm Wiring (m) | (2+1) X 2.5 sq.mm Wiring (m) | (2+1) X 4.0 sq.mm Wiring (m) |
|---|---|---|---|---|---|---|
| Type II | 75 | 85 | 99 | 59 | 26 | 99 |
| Type III | 85 | 108 | 122 | 78 | 30 | 122 |
| Type IV | 110 | 175 | 198 | 137 | 38 | 198 |
| Type V | 186.5 | 204 | 237 | 158 | 46 | 237 |
| Type VI | 254 | 298 | 348 | 240 | 58 | 348 |
| Type VII | 381 | 370 | 417 | 298 | 72 | 417 |
| Type VIII | 560 | 469 | 588 | 379 | 90 | 588 |
Important Note:
The measurements given below are based on the reference measurements provided for Type II to Type VIII quarters. These measurements are for estimation purposes, with point wiring excluded. The actual quantity may vary depending on the SDB location, circuit routing and site conditions and shall be checked accordingly before execution.
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