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What is 7/52 wire size in mm?
Wire gauge is a standardized measurement of the diameter of wire, often used in the electrical and manufacturing industries. The 7/52 wire size is a commonly used wire gauge measurement in these industries.
Asking about the 7/52 wire size is a vague question. It may refer to single strand diameter, bunched conductor diameter or the overall diameter of the wire, but generally it refers to the cross sectional area of the bunched/twisted conductor. The calculated cross sectional area which refers to the 7/52 wire size in mm is 9.58 mm² that is very close to the standard cable size of 10 mm² wire commonly used as a modern alternative of 7/52 wire.
However, if you are interested in other measurements and complete technical details of the 7/52 wire, we have compiled a list of 7/52 cable’s technical details and other helpful data.
| Cable Identification Stamp | 7/0.052″ S/C CU/PVC 250/440 V ELECTRIC CABLE |
| Cable Type | Classic / Imperial Wiring Cable |
| Cores | 1 to 4 |
| Conductor Class | Stranded (Multi-Strand Twisted Copper) |
| Cable Life | Usually 20 Years or more |
| Application | House, office, commercial or industrial Electrical wiring. |
| Calculated Cross-Sectional Area | 9.58 mm² |
| Nearest Metric Size | 10 mm² Std. |
| No. of Copper Strands | 7 Twisted Copper Strands in Each Core |
| Single Strand Size | 0.052 inches (or 1.32 mm) |
| Bunched Conductor Outer Diameter | 0.156 inches (or 3.96 mm) |
| Insulation Thickness | 0.04 inches (or 1.02 mm) |
| Single Core Overall Diameter | 0.236 inches (or 6.00 mm) |
| Conductor Type | Copper or Aluminium |
| Insulation Type | PVC (Polyvinyl Chloride) |
| Applicable Standards | BS 3360 & BS 2004 |
| Temperature Rating | -20° C to 70° C |
| DC Resistance | 1.87 OHM/KM at 20° C |
| Voltage Rating | 250/440 V (also available in 660/1100 V) |
| Ampere Rating | 43 Amps (estimated, may differ significantly according to circumstances) |