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About 71 coils — 34 of 1.5 mm², 30 of 2.5 mm² and 7 of 4 mm² — which is roughly 6,320 m of single-core copper, plus about 105 ft of 25 mm² two-core main cable on a single-phase connection — three phase needs only 10 mm² four-core.
That is a single-storey 1 kanal house wired to 110 points on 22 circuits, pulled through conduit, with 15% cut in for wastage. Double storey takes about 131 coils. A coil is 90 m — the length the trade sells house wire in.
A single-storey 1 kanal house of about 2,900 sq ft covered area, wired to 110 points on 22 circuits, needs roughly 6,320 m of single-core copper conductor: 3,053 m of 1.5 mm² for lights and fans, 2,684 m of 2.5 mm² for socket, kitchen and pump circuits, 552 m of 4 mm² for five AC points and three geysers, and about 35 m of 6 mm² for the main earth. In 90 m coils that is 34 + 30 + 7 = 71 coils. Those figures carry a 15% wastage margin and assume conduit routing, one floor, and boards placed to keep runs short.
Technical sources quote metres. Shops sell coils. One standard coil of single-core building wire is 90 m, near enough 100 yards, so the conversion at the counter is metres ÷ 90, rounded up per size.
At 1 kanal, quantity stops being the only question. A 4,500 sq ft plot is where one distribution board stops being enough and where the connection itself may need to change from single phase to three. Both forks are worked through below, because they change the cable list more than any coil count does.
Three inputs, multiplied. All three are on the page so you can move any of them to match your own plan.
110 on a single-storey 1 kanal plan: 59 light and fan points, 42 socket points, 5 AC points, 3 geysers, 1 pump. Count yours off the approved layout.
18 m per point: its share of the circuit run back to a board, plus the ceiling rise and the switch drop. A 2,900 sq ft floor spans roughly 45 × 64 ft, which is why the runs are half again as long as on a 5 marla.
2.5 for lighting and fan circuits, where switch legs share neutrals; 3 for socket and appliance circuits, which each carry live, neutral and earth.
Lighting and fans: 59 × 18 × 2.5 = 2,655 m. Sockets and kitchen: 42 × 18 × 3 = 2,268 m. Pump, on a 22 m run: 1 × 22 × 3 = 66 m, giving 2,334 m of 2.5 mm². Five ACs and three geysers on 20 m runs: 8 × 20 × 3 = 480 m of 4 mm². Main earth: 30 m. Raw total 5,499 m. Add 15%: 5,499 × 1.15 = 6,324 m. Divide by 90 and round up per size: 71 coils.
Cross-check against the trade rule of 1.5–2 ft of conduit run per sq ft of plot. At 4,500 sq ft that is 2,060–2,740 m of runs, and at 2–3 conductors per run, 4,120–8,230 m of conductor. 6,324 m sits inside it. The method itself is on how much cable a house needs.
| Circuit | Size (strand code) | Conductor metres | Coils |
|---|---|---|---|
| Lighting and fan circuits | 1.5 mm² (3/.029) | 3,053 m | 34 |
| Socket, kitchen and pump circuits | 2.5 mm² (7/.029) | 2,684 m | 30 |
| 5 AC points, 3 geyser points | 4 mm² (7/.036) | 552 m | 7 |
| Main earth conductor | 6 mm² (7/.044) | 35 m | cut length |
| Sub-mains to 2 sub-boards | 16 mm² 2 core (7/.064) | 40 m / 131 ft | cut length |
| Meter to DB main cable | 25 mm² 2 core | 32 m / 105 ft | cut length |
A 1 kanal plot is 4,500 sq ft. After setback, lawn, porch and stairs you build about 2,900 sq ft per floor — typically five bedrooms, a drawing room, a lounge, a dining room, a kitchen, a store, servant quarter and five bathrooms.
| Area | Light and fan | Socket | Appliance |
|---|---|---|---|
| Master bedroom and dressing | 8 | 6 | 1 AC |
| Bedrooms 2, 3 and 4 | 15 | 10 | 3 AC |
| Drawing room | 7 | 5 | 1 AC |
| Lounge and dining | 10 | 7 | — |
| Kitchen and store | 5 | 7 | — |
| 5 bathrooms | 5 | — | 3 geysers |
| Servant quarter and garage | 5 | 4 | — |
| Porch, lawn, stairs, outside | 4 | 3 | 1 pump |
| Total | 59 | 42 | 9 |
This is the fork that changes a 1 kanal cable list, and it is decided by the sanctioned load on your meter card, not by the plot size. A 1 kanal house is commonly sanctioned around 15 kW, which sits right on the line where utilities start offering three phase.
Single phase, 220 V. 15,000 ÷ 220 = 68.2 A. Over a 32 m (105 ft) run from a boundary-wall meter, 16 mm² copper carries 85 A and drops 68.2 × 32 × 2.8 ÷ 1000 = 6.11 V against an 11 V budget — it passes, but it has spent 56% of the whole house's drop allowance at the front door. 25 mm² carries 112 A and drops 3.82 V, 35% of budget. On a house this size, run the 25 mm².
Three phase, 400 V. The same 15 kW split across three phases is 15,000 ÷ (400 × 1.732) = 21.6 A per phase. That is a third of the single-phase current, so 10 mm² four-core copper — 57 A with three loaded conductors — carries it with room to spare, and drops 21.6 × 32 × 4.4 ÷ 1000 = 3.04 V against a 20 V budget on 400 V. The service cable gets much smaller; the board gets more complicated, because the house circuits then have to be split across three phases and kept roughly balanced.
| Connection | Current | Main cable | Capacity | Drop |
|---|---|---|---|---|
| Single phase 220 V | 68.2 A | 16 mm² 2 core | 85 A | 6.11 V |
| Single phase 220 V | 68.2 A | 25 mm² 2 core | 112 A | 3.82 V |
| Three phase 400 V | 21.6 A/phase | 10 mm² 4 core | 57 A | 3.04 V |
| Three phase 400 V | 21.6 A/phase | 16 mm² 4 core | 76 A | 1.94 V |
Read your meter card before you buy any of this. If it says single phase, size for 68 A and do not assume a future upgrade will reuse the cable — a three-phase conversion needs a four-core run. The sizing rationale in full is on main meter cable and three-phase cable size.
Twenty-two circuits plus 20% spare is 27 ways. You could buy a 36-way board and run everything to it. On a 45 × 64 ft floor that is the wrong answer, because it forces every one of the 110 points to reach a single point in the building. The 18 m average run in the arithmetic above already assumes you did not do that.
The right arrangement is a main board near the meter carrying the incomer, the main switch, the earth bar and a handful of outgoing sub-mains, and then two or three sub-boards placed where the load is: one for the bedroom wing, one for the lounge, kitchen and utility side, one upstairs when the floor is built. Each sub-board is fed by a 16 mm² two-core sub-main and carries its own circuits.
Three things follow from that. Runs get shorter, so the coil count on this page holds instead of drifting up. A fault or a rewire is contained to one wing instead of taking the house down. And each sub-board gives you spare ways where you will actually need them — the bedroom wing is where the next AC goes, not the porch.
Budget one 16 mm² sub-main per sub-board, about 20 m each on this footprint. That is the row in the cable list above, and it is the item most 1 kanal wiring estimates leave out entirely.
Most 1 kanal houses are two floors. The upper floor carries about 85% of the ground floor's points — no lawn, no porch, no pump, no servant quarter — and takes its own board on its own riser.
| Item | Single storey | Double storey |
|---|---|---|
| Points | 110 | 204 |
| 1.5 mm² coils | 34 | 63 |
| 2.5 mm² coils | 30 | 56 |
| 4 mm² coils | 7 | 12 |
| Total coils | 71 | 131 |
| Conductor metres | 6,324 m | 11,699 m |
| Boards | 1 main + 2 sub | 1 main + 4 sub |
| 16 mm² sub-mains | about 40 m | about 85 m |
| Connection | 15 kW, either phase | Three phase, effectively |
At 204 points and nine or ten air conditioners a double-storey 1 kanal has effectively decided the phase question for you. Size the service for the finished building.
Ask for 1.5 mm² at a shop in Pakistan and you will be handed 3/.029. The strand code is the trade's real vocabulary and it is imperial: 3 strands of 0.029 inch. On a 71-coil order the difference between the code and the metric label is worth knowing.
| Strand code | True area | Sold as | Usual job |
|---|---|---|---|
| 3/.029 | 1.29 mm² | 1.5 mm² | Lights, fans |
| 7/.029 | 3.0 mm² | 2.5–3 mm² | Sockets, kitchen |
| 7/.036 | 4.6 mm² | 4 mm² | AC, geyser |
| 7/.044 | 6.9 mm² | 6 mm² | Earth |
| 7/.052 | 9.6 mm² | 10 mm² | Three-phase service |
| 7/.064 | 14.5 mm² | 16 mm² | Sub-mains |
3/.029 measures 1.29 mm², under a true 1.5 mm², so keep it on 6 A lighting circuits and off sockets. 7/.029 measures 3.0 mm², over a true 2.5 mm². How to verify a delivered coil against these numbers is set out on the 5 marla wiring page — worth doing on an order this size.
| Circuit | Size | Capacity | Voltage drop | Breaker |
|---|---|---|---|---|
| Lighting, fans | 1.5 mm² | 19.5 A | 29 mV/A/m | 6 A |
| Sockets, kitchen, pump | 2.5 mm² | 27 A | 18 mV/A/m | 16 A |
| AC points, geysers | 4 mm² | 36 A | 11 mV/A/m | 20–25 A |
| Main earth | 6 mm² | 46 A | 7.3 mV/A/m | — |
| Sub-main to a sub-board | 16 mm² | 85 A | 2.8 mV/A/m | 63 A |
| Meter to main board | 25 mm² | 112 A | 1.75 mV/A/m | 80 A |
Sizing one circuit rather than a whole house? The selection chart is on single-phase cable size, and long runs are settled by the voltage drop calculator.
Estimates for wiring one size of house differ by several times over, and the reason is scope, not the house. One figure is the wire alone; the next adds conduit, boards and accessories; the third adds the electrician. On a 1 kanal the gap between the three is large enough to wreck a budget, so establish which you are being quoted first.
| Scope | What is in it | Who supplies it |
|---|---|---|
| A. Wire and cable only | The 71 coils, the earth conductor, the 16 mm² sub-mains, the meter-to-DB main cable | Pilone Cables, factory-direct |
| B. A plus fittings | Conduit pipe, back boxes, switches, sockets, the main board, the sub-boards and all MCBs, earth electrode | Electrical store |
| C. B plus labour | Chasing walls, laying conduit, pulling wire, terminating, testing, making good the plaster | Your electrician or contractor |
Scope A is the only one we price, and we price it at the day's copper rate because copper is what moves it — on 71 coils, a month's drift is a real number. Per-point and per-square-foot labour rates sit on cable installation cost. Send the coil list on WhatsApp and scope A comes back as one figure for your city.
The meter-to-board run on a single-phase 1 kanal: 7/2.14 class 2 copper, PVC insulated and sheathed, rated 112 A on method C. About 105 running feet on this layout.
Prices track the daily copper rate. Send the coil list and your city for today's factory rate on the whole lot.
The rest of the list: 3/.029 single core copper cable, 7/.029 single core copper cable, 4mm single core copper cable, 16mm 2 core cable for the sub-mains, and 10mm 4 core cable if the connection is three phase.
We draw the copper in Lahore and sell it at the day's rate — no dealer margin. Send the coil list and your city for today's number: Punjab in 1–2 days, rest of Pakistan in 2–4.