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Same cable as any other Pakistani connection: 10 mm² aluminium (7/.052) on loads to about 7 kW, 16 mm² (7/.064) from 10 kW.
A K-Electric connection is sized the same way as one in a WAPDA-area city: current from the sanctioned load, cable from the current. What Karachi changes is the ambient the cable works in, and that is the step most sizing charts skip — 10 mm² aluminium reads 48 A on the table and 41.8 A once corrected for 40°C. K-Electric's service line ends at the meter; the run from there to your distribution board is yours to supply.
A meter connection cable in Karachi is the same product as on a WAPDA-area connection anywhere else in Pakistan: 2 core for single-phase 220 V, 4 core for three-phase 400 V, sized so the cable's corrected capacity clears the current the sanctioned load draws. The market sells it in both cities as WAPDA cable or silver cable — aluminium, 7/.052 sold as 10 mm² and 7/.064 sold as 16 mm². No K-Electric approval attaches to those names; they are shop vocabulary for a size.
The full size ladder, the strand-code arithmetic and the three-phase table are on the WAPDA cable page, and they apply to a Karachi connection unchanged. This page covers the K-Electric side of it: what the utility hands over, what you buy, how the rating reads on an exposed Karachi wall, and how the cable reaches you.
Published capacities assume 30°C air around the cable. A service run clipped to an outside wall in Karachi does not get that for much of the year, and the correction is a straight multiplier on the rating.
| Size | Aluminium at 30°C | Aluminium at 40°C | Copper at 30°C | Copper at 40°C |
|---|---|---|---|---|
| 10 mm² (7/.052) | 48 A | 41.8 A | 63 A | 54.8 A |
| 16 mm² (7/.064) | 66 A | 57.4 A | 85 A | 74.0 A |
| 25 mm² | 87 A | 75.7 A | 112 A | 97.4 A |
| 35 mm² | 107 A | 93.1 A | 138 A | 120.1 A |
Work one job through it. A 10 kW single-phase connection draws 45.5 A: the 30°C column says 10 mm² aluminium is fine, the 40°C column says 41.8 A and it is not. On an exposed wall read the second column — 16 mm² at 57.4 A corrected, or 10 mm² in copper at 54.8 A.
Copper for the same run: 10mm 2 core cable · 16mm 2 core cable
We manufacture in Lahore and dispatch nationwide — Punjab in 1–2 days, the rest of Pakistan including Karachi in 2–4 working days, courier for single coils and transport for bulk. Send the size, core count, total metres and your area on WhatsApp and you get the day's factory rate.
Aluminium cable in Karachi · All cable types in Karachi · Delivery across Pakistan
Drawn in Lahore, sold at the day's rate with no dealer margin, dispatched to Karachi in 2–4 working days. Send your sanctioned load, core count and metres.