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Two 6 mm² class 2 copper conductors, 7 strands of 1.04 mm per core, PVC insulated and sheathed to 450/750 V — the size half the trade still orders as 7/.044. 46 A on reference method C with both conductors loaded, 3.08 Ω/km, about 107 kg of copper per kilometre of cable. 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 2 core cable is quoted at the day's copper rate, per metre.
6 mm² 2 core standard 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 core is line and neutral and nothing else, so both conductors are loaded and the cable carries 46 A on BS 7671 reference method C at 30°C, about 10.1 kVA at 220 V. The trade still orders this size as 7/.044, which computes to 6.9 mm² and is sold as 6.
Ask three shops for 6mm cable and the answers arrive in three units. Per foot flatters itself, because a foot is under a third of a metre. A coil price is not a rate until you know how long the coil is. Convert everything to a rate per metre before you compare, and say “two core” — neither “wire” nor “cable” tells the counter how many cores you want.
| 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 written down before paying. 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 why the figure moves.
46 A on two loaded conductors, clipped direct at 30°C — about 10.1 kVA at 220 V (46 × 220 ÷ 1000). This is the usual size for a heavy single-phase circuit: a ducted AC, a large geyser bank, a submain to an annexe or a pump feeder.
| Size | Strands (class 2) | Current capacity | Voltage drop | 5% limit at full load | Copper in a 90 m coil |
|---|---|---|---|---|---|
| 2.5 mm² | 7/0.67 | 27 A | 18 mV/A/m | 23 m | 4.0 kg |
| 4 mm² | 7/0.85 | 36 A | 11 mV/A/m | 28 m | 6.4 kg |
| 6 mm² | 7/1.04 | 46 A | 7.3 mV/A/m | 33 m | 9.6 kg |
| 10 mm² | 7/1.35 | 63 A | 4.4 mV/A/m | 40 m | 16 kg |
| 16 mm² | 7/1.70 | 85 A | 2.8 mV/A/m | 46 m | 26 kg |
The 5% limit column is worth reading twice. Single-phase circuits get an 11 V budget rather than the 20 V a 400 V three-phase circuit gets, so the distances are short: at its full 46 A this cable reaches 33 m. Most real circuits run well below the rating, and the distance grows in proportion — a 25 A load on the same cable reaches 11 ÷ (25 × 7.3 ÷ 1000) = 60 m. Put your actual load into the arithmetic, not the cable's rating.
All of this assumes clipped direct in open air at 30°C. In conduit, bundled, or under a Lahore roof in June it carries less, and BS 7671 handles that with correction factors for ambient temperature and grouping. 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 2 stranded |
| Nominal area | 6 mm² × 2 cores |
| Strand construction | 7 / 1.04 mm per core (typical) |
| Max conductor resistance at 20°C | 3.08 Ω/km |
| Current capacity (method C, 2 loaded) | 46 A |
| Voltage drop | 7.3 mV/A/m |
| Voltage rating | 450/750 V |
| Insulation / sheath | PVC / PVC, 70°C conductor rating |
| Conductor copper weight | ≈ 107 kg/km (2 × 53.3 kg/km) |
| Reference standards | IEC 60228 (conductors), IEC 60227 (PVC cables) |
A good part of the trade orders by strand code rather than by mm². The code says how many strands and how thick each is in inches. 7/.044 is seven strands of 0.044 inch wire, and one line of arithmetic checks it: 0.044 × 25.4 = 1.118 mm across, area = 0.7854 × 1.118² = 0.98 mm² per strand, × 7 = 6.9 mm².
| Code | Strand diameter | Computed area | Sold as |
|---|---|---|---|
| 3/.029 | 0.737 mm | 1.29 mm² | 1.5 mm² |
| 7/.029 | 0.737 mm | 3.0 mm² | 2.5 mm² |
| 7/.036 | 0.914 mm | 4.6 mm² | 4 mm² |
| 7/.044 | 1.118 mm | 6.9 mm² | 6 mm² |
| 7/.052 | 1.321 mm | 9.6 mm² | 10 mm² |
| 7/.064 | 1.626 mm | 14.5 mm² | 16 mm² |
| 19/.052 | 1.321 mm | 26 mm² | 25 mm² |
So 7/.044 computes to 6.9 mm² and is sold as 6 mm², the imperial code sitting above the metric name. The build in the specification table above is the metric 7/1.04. Ask for 6mm cable or for 7/.044 and you are asking for the same conductor — add “two core” so you are handed the right build. The wire strand codes guide carries the whole vocabulary, and 4mm vs 6mm cable covers the step down.
Two cores means line and neutral, and nothing else. The earth has to come from somewhere: steel conduit, a separate earth wire pulled alongside, or the trunking. Answer that first and the 2 core / 3 core question answers itself. The people who order this size are contractors dropping a submain to a shop or an upper portion, and electricians putting in a dedicated point for a big AC or a cooking range — jobs at 30 to 46 A on a 220 V single-phase supply, where 4 mm² is short at 36 A and 10 mm² is more copper than the load asks for.
Main board to a shop, annexe or upper-portion board, where conduit or a separate earth wire carries the earth path. Up to 46 A.
A dedicated feed to a 2-ton AC or a cooking range on its own breaker, pulled in conduit with the earth run separately.
Fixed conduit runs to single-phase water pumps and booster sets that stay bolted where they are.
Heat sets one limit, run length sets the other, and on a submain the length is usually what bites. Voltage drop is current × length × 7.3 mV/A/m, divided by 1000. A 32 A submain over a 25 m run drops 32 × 25 × 7.3 ÷ 1000 = 5.8 V, which is 2.7% of 220 V — inside the 5% BS 7671 allows on a power circuit, 11 V here. Load the same cable to its full 46 A and the drop hits 11 V at about 33 m: 11000 ÷ (46 × 7.3) = 32.8. Past that distance the length picks the size, not the load, and the next step is 10mm 2 core cable at 63 A and 4.4 mV/A/m. Check your own run on the voltage drop calculator.
Core count follows the circuit, not the load. Two core carries line and neutral, with the earth arriving separately. Three core adds a protective conductor in the same sheath, or carries three phases with no neutral. Four core carries three phases plus a neutral. Same 6 mm² copper in each build; only the number of loaded conductors changes the rating.
| 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 3 core standard cable and 6mm 4 core standard cable. One step up in the same two-core build is 10mm 2 core cable at 63 A, then 16mm 2 core cable at 85 A. Where the run has to flex, take 6mm 2 core flexible cable instead.
Three checks that settle a “full gauge” claim on any seller's cable, ours included. A weighing scale, a tape and a vernier.
Conductor mass = area × cores × 8.89 kg/km per mm². For 6 mm² 2 core that is 6 × 2 × 8.89 = 107 kg/km, so a 90 m coil holds about 9.6 kg of copper before insulation and sheath.
Cut the end square. A 6 mm² class 2 core is 7 strands of about 1.04 mm. Seven strands of a visibly thinner wire is a smaller conductor whatever the print on the sheath says.
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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