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27 A, fifty 0.25 mm strands per conductor, 450/750 V. The size the bazaar calls 7/.029 — socket circuits, appliance runs and machine leads. PVC insulated and sheathed, drawn on the Pilone line in Lahore.
Quoted per meter at the day's copper rate. Send the core count, the length in meters and your city for the coil figure.
27 A — and 2.5 mm² is not 25 mm².
2.5mm² class 5 flexible copper carries 27 A with two conductors loaded, clipped direct at 30°C, and 24 A with three. It is the socket-circuit and appliance size, the one the bazaar prices under the code 7/.029. It holds one tenth the copper of 25 mm², which is a main-incomer size — if that is what you came for, go to 25mm 4 core cable price. The rate here is quoted per meter at the day's copper price.
One decimal point separates a socket circuit from a house main, and quotes in this market drop it all the time. 2.5 mm² and 25 mm² are ten times apart in copper and four times apart in current. Read the row that matches the job, not the number that looks familiar.
| Property | 2.5 mm² | 25 mm² |
|---|---|---|
| Copper per core | 22.2 kg/km | 222.3 kg/km |
| Current, 2 loaded | 27 A | 112 A |
| Voltage drop | 18 mV/A/m | 1.75 mV/A/m |
| Market strand code | 7/.029 | 19/.052 |
| Where it goes | Socket circuits, appliance and machine leads | Main incomer, heavy submains, meter tails |
| The Pilone cable | 2.5mm 3 core flexible cable | 25mm 4 core cable price |
| Property | Value |
|---|---|
| Conductor | Plain annealed copper, class 5 flexible stranded |
| Nominal area | 2.5 mm² |
| Strand construction | 50 / 0.25 mm |
| Market strand code | 7/.029 (computes to 2.98 mm²) |
| Max conductor resistance at 20°C | 7.98 Ω/km |
| Current capacity, 2 loaded conductors | 27 A |
| Current capacity, 3 loaded conductors | 24 A |
| Voltage drop | 18 mV/A/m |
| Voltage rating | 450/750 V |
| Insulation / sheath | PVC / PVC, 70°C conductor rating |
| Conductor copper weight | 22.2 kg/km per core |
| Copper in a 90 m coil, per core | 2.0 kg |
| Typical use | Socket circuits, small appliances, a 1 ton AC |
Voltage drop is the limit on this size, not heat. A 20 A socket circuit taken 20 m on 2.5mm² drops 20 × 20 × 18 ÷ 1000 = 7.2 V, inside the 11 V that BS 7671's 5% allowance gives on a 220 V supply. Stretch it to 35 m and the drop is 12.6 V, over the line, and the run moves up to 4mm flexible cable at 11 mV/A/m.
On the rate, get the unit right first: this market quotes per meter, per foot and per coil, and a coil is not a fixed quantity — 30 m, 45 m and 90 m packs are all sold, and some sellers quote 301 ft.
| Pack | Length | In feet | Copper per core |
|---|---|---|---|
| Cut length | 1 m | 3.281 ft | 0.02 kg |
| One foot | 0.305 m | 1 ft | 0.01 kg |
| Short coil | 30 m | 98 ft | 0.7 kg |
| Half coil | 45 m | 148 ft | 1.0 kg |
| Full coil | 90 m | 295 ft | 2.0 kg |
| 301 ft coil | 91.7 m | 301 ft | 2.0 kg |
Core count follows the circuit. Each build has its own spec sheet with the strands, resistance and current capacity.
Line and neutral only. Lighting drops and appliance runs that take their earth separately.
Line, neutral and earth in one sheath. The usual single-phase choice for socket circuits, pumps, irons and washing machines.
Three phases and a neutral for small tools and portable panels. Three loaded conductors bring the rating down to 24 A.
Current capacity with two loaded conductors, BS 7671 reference method C, 30°C ambient. Same class 5 copper construction in every size.
We quote 2.5mm flexible per meter at the day's copper rate and dispatch from the Lahore line. Tell us the core count and how many meters you need — Punjab in 1–2 days, the rest of Pakistan in 2–4.