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Three 16 mm² class 5 conductors, 126 strands of 0.40 mm each, PVC insulated and sheathed to 450/750 V. Tabulated at 76 A with three loaded conductors on method C at 30°C, and 85 A when only two are loaded — the single-phase case, line and neutral working with the third core as earth, which is about 18.7 kW at 220 V. Site electricians buy it as the feed to a portable distribution board; workshops buy it as the earthed tail from a changeover switch to heavy equipment. The trade orders this size by the code 7/.064.
Prices track the daily copper rate. Coil and bulk 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.
| Property | Value |
|---|---|
| Conductor | Plain annealed copper, class 5 flexible stranded |
| Nominal area | 16 mm² × 3 cores |
| Strand construction | 126 / 0.40 mm per core (typical) |
| Max conductor resistance at 20°C | 1.21 Ω/km |
| Current capacity (method C, 3 loaded) | 76 A |
| Voltage drop | 2.8 mV/A/m |
| Voltage rating | 450/750 V |
| Insulation / sheath | PVC / PVC, 70°C conductor rating |
| Conductor copper weight | ≈ 426.6 kg/km (3 × 142.2 kg/km per core) |
| Reference standards | IEC 60228 (conductors), IEC 60227 (PVC cables) |
Check the run length against the load before you buy the coil. A site distribution board pulling 60 A over a 30 m flexible feed drops 60 × 30 × 2.8 ÷ 1000 = 5.04 V — 2.3% of 220 V, inside the 5% BS 7671 allows on a power circuit, which is 11 V here. At the cable's full 76 A the same 11 V is reached at 11 000 ÷ (76 × 2.8) = 52 m. Beyond that the run length sets the size, not the load.
Line, neutral and earth to a site board or temporary supply point, on a cable that can be coiled and carried to the next job.
Socket and machine circuits above roughly 60 A, where the protective conductor has to travel inside the same sheath.
The tail between a single-phase genset, its changeover switch and the load, with the earth carried through the run.
Who buys this size: site contractors, event and rental crews, and workshops running heavy single-phase equipment. The circuit is a 220 V feed with its own earth — in almost every job this cable goes into, the third core is the protective conductor and not a second phase. Where all three cores are loaded, as on three phases with no neutral, the rating drops from 85 A to 76 A, which is why both figures are printed above. For a run that will never move, 16mm 3 core standard cable is the same copper in the cheaper class 2 build. For three phases plus a neutral, take 16mm 4 core flexible cable.
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