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Three 6 mm² class 5 copper cores — line, neutral and earth — at 84 strands of 0.30 mm each, PVC insulated and sheathed to 300/500 V. 46 A on reference method C with two conductors loaded, 3.30 Ω/km, about 160 kg of copper per kilometre of cable. The fine stranding is the whole point: it bends and re-bends without the conductor hardening. Drawn on the Pilone line in Lahore.
Prices track the daily copper rate. Bulk and coil pricing on request.
Check the coil before you pay for it
Every coil leaves our factory with a QR code printed on the packaging. Scan it and the factory record for that batch opens: brand, cable size, batch number, year of manufacture and conductor. Compare the batch number on screen with the one printed on your coil — if the two do not match, it did not come from us.
6mm 3 core flexible cable is quoted at the day's copper rate, per metre.
6 mm² 3 core flexible cable is quoted at the day's copper rate, per metre — send the metres and your city on WhatsApp and today's number comes back. Two ratings apply and the circuit decides which: line, neutral and earth loads two conductors and the cable carries 46 A on BS 7671 reference method C at 30°C, about 10.1 kVA at 220 V; three phases with no neutral loads all three and the figure is 41 A, about 28.4 kVA at 400 V. The class 5 conductor is 84 strands of 0.30 mm.
A 6mm 3 core flexible cable price arrives per metre, per foot or per coil, and the three are not comparable until someone states the unit. Per foot reads cheapest because a foot is under a third of a metre. A coil price is not a rate without the coil's length. Put everything on a per-metre footing first, and say “flexible” — the standard build in the same size is a different cable at a different rate.
| Quoted as | Length in metres | To get the per-metre rate |
|---|---|---|
| Per metre | 1 m | Nothing to do |
| Per foot | 0.305 m | Multiply the per-foot rate by 3.281 |
| Per yard | 0.914 m | Multiply the per-yard rate by 1.094 |
| Per 90 m coil | 90 m (295 ft) | Divide the coil price by 90 |
| Per 45 m half coil | 45 m (148 ft) | Divide by 45 |
| Per 100 m drum | 100 m (328 ft) | Divide by 100 |
Coil lengths are not standardised in Pakistan, so get the metre count onto the invoice before you pay. We quote per metre against the length you give us. The price per meter page works through every conversion, and how cable is priced in Pakistan explains what moves the number.
46 A with two conductors loaded, 41 A with three, clipped direct at 30°C. On the portable boards and machine tails this build usually feeds, the third core is the earth and 46 A is the figure that applies.
| Size | Strands (class 5) | 2 loaded | 3 loaded | Voltage drop | Copper in a 90 m coil |
|---|---|---|---|---|---|
| 1.5 mm² | 30/0.25 | 19.5 A | 17.5 A | 29 mV/A/m | 3.6 kg |
| 2.5 mm² | 50/0.25 | 27 A | 24 A | 18 mV/A/m | 6.0 kg |
| 4 mm² | 56/0.30 | 36 A | 32 A | 11 mV/A/m | 9.6 kg |
| 6 mm² | 84/0.30 | 46 A | 41 A | 7.3 mV/A/m | 14 kg |
| 10 mm² | 80/0.40 | 63 A | 57 A | 4.4 mV/A/m | 24 kg |
| 16 mm² | 126/0.40 | 85 A | 76 A | 2.8 mV/A/m | 38 kg |
At its full 46 A on a single-phase circuit the 11 V that BS 7671's 5% allows on 220 V is spent at 33 m. On three loaded conductors at 400 V the budget is 20 V and the distance is 67 m. Most real loads sit well under the rating and reach proportionally further — a 25 A load on this cable reaches 11 ÷ (25 × 7.3 ÷ 1000) = 60 m single-phase. Put the load you actually have into the arithmetic rather than the cable's rating.
Clipped-direct figures at 30°C, all of them. A flexible cable carrying current while still wound on its drum cannot shed heat, which is why it is run out before it is loaded. Conduit, bundling and high ambient each take another bite, handled with BS 7671 correction factors. Work yours out with the cable size calculator and the voltage drop calculator, then have a licensed electrician confirm it.
| Property | Value |
|---|---|
| Conductor | Plain annealed copper, class 5 flexible stranded |
| Nominal area | 6 mm² × 3 cores |
| Strand construction | 84 / 0.30 mm per core (typical) |
| Max conductor resistance at 20°C | 3.30 Ω/km |
| Current capacity (method C, 2 loaded) | 46 A |
| Voltage drop | 7.3 mV/A/m |
| Voltage rating | 300/500 V |
| Insulation / sheath | PVC / PVC, 70°C conductor rating |
| Conductor copper weight | ≈ 160 kg/km (3 × 53.3 kg/km) |
| Reference standards | IEC 60228 (conductors, class 5), IEC 60227 (PVC flexible cables) |
Same copper, same 6 mm², different stranding. Class 5 divides the area into 84 strands of 0.30 mm; class 2 uses 7 strands of 1.04 mm. Thin strands move against one another as the cable bends, so the conductor tolerates coiling and dragging; a thick-stranded class 2 core flexed repeatedly fatigues and breaks inside an intact sheath.
| Property | Class 5 (flexible) | Class 2 (standard) |
|---|---|---|
| Strands | 84/0.30 | 7/1.04 |
| Max resistance | 3.3 ohm/km | 3.08 ohm/km |
| Current capacity | 41 A / 46 A | 41 A / 46 A |
| Bends repeatedly | Yes | No |
| Typical use | Machine tails, portable boards | Fixed wiring in conduit |
The higher resistance of the class 5 build is permitted by the standard and does not change what the cable carries. Pay for flexible where the cable moves; for a fixed run, 6mm 3 core standard cable is the same copper for less.
Two conditions have to be true together before this is the right cable to buy: the load is heavy for a cord — 30 to 46 A on a 220 V single-phase supply — and the cable itself has to move, coil or sit on something that vibrates. That is why the buyers are pump fitters, workshop electricians and appliance installers rather than house wiremen. If the run is going to be clipped to a wall and left there for twenty years, the class 2 build in 6mm 3 core standard cable does the same job for less copper money.
Instant geysers, washing machines and ovens taking up to 46 A, with the earth running inside the same cord to the appliance body.
Booster and surface pumps that get unbolted, lifted and repositioned — the earth core travels with the machine every time.
Machine cords and welding-set leads that are dragged out, coiled and re-coiled daily. Class 5 stranding is built for that cycle.
Length still has to be checked. Voltage drop is current × length × 7.3 mV/A/m, divided by 1000. A 40 A single-phase machine on a 15 m tail drops 40 × 15 × 7.3 ÷ 1000 = 4.4 V, which is 2.0% of 220 V — well inside the 5% BS 7671 allows on a power circuit, 11 V here. Two of the three cores are loaded on a single-phase circuit, which is why the tabulated figure is 46 A; wire all three as phases on a 400 V machine with no neutral and three conductors are loaded, so the same cable is tabulated at 41 A. Either way, a lead left coiled on its drum under load carries less than the table says, because the heat cannot leave the middle of the coil. Pay it out before you load it.
Core count follows the circuit, not the load. Two core is line and neutral with a separate earth. Three core is line, neutral and earth, or three phases without a neutral. Four core is three phases plus a neutral. Same 6 mm² conductor in each build.
| Cores | What runs in it | Loaded | Current capacity |
|---|---|---|---|
| 2 core | Line and neutral, earth run separately | 2 | 46 A |
| 3 core | Line, neutral and earth — or three phases, no neutral | 2 or 3 | 46 A / 41 A |
| 4 core | Three phases plus neutral | 3 | 41 A |
The same size in the other builds: 6mm 2 core flexible cable and 6mm 4 core flexible cable. One step up in the same three-core flexible build is 10mm 3 core flexible cable at 57 A; one step down, 4mm 3 core flexible cable at 32 A.
Three checks you can run on any seller's cable, ours included, with a weighing scale, a tape and a vernier.
Conductor mass = area × cores × 8.89 kg/km per mm². For 6 mm² 3 core that is 6 × 3 × 8.89 = 160 kg/km, so a 90 m coil holds about 14 kg of copper before insulation and sheath.
A class 5 core at this size is about 84 strands of 0.30 mm. Cut the end square and count. Far fewer, thicker strands means a class 2 conductor being sold as flexible.
Get the metre count in writing before you pay, then check it with a measuring wheel. A short coil is the quietest way a per-coil price stops being the price you calculated.
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