MC-HL 3/C 2 AWG 600 V
Nominal calculation, not one manufacturer's datasheet. The conductors are NEC Chapter 9 Table 8; the XHHW-2 walls, the grounds and the jacket are the values the makers print, and the corrugated sheath is a radial band fitted to four makers' diameters, because UL 1569 and UL 2225 were not read and no maker prints the sheath's wall. Check the datasheet before you specify or order.
By NEC Table 8 and the catalogued walls, MC-HL 3/C 2 AWG 600 V comes to an overall diameter of about 30.0 mm and a weight of about 1,580 kg/km.
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Main dimensions
| Conductor | Copper 2 AWG (33.6 mm²), Ø 7.2 mm | compressed Class B: ICEA S-94-649 Table C-4 as Elastimold prints it; below 2 AWG NEC Table 8 x 0.97 (its note) |
|---|---|---|
| Insulation | XLPE 1.14 mm | MC-HL conductor XLPE insulation: the XHHW-2 band of its size (Southwire, Okonite, Nexans and Houston print the same 30 / 45 / 55 / 65 / 80 mil; UL 1569 / UL 2225 not read) |
| Diameter over insulation | 9.5 mm | |
| Core diameter | 9.5 mm | |
| Overall diameter | 30.0 mm | |
| Weight (approximate) | 1,580 kg/km |
Layer by layer (inside out)
| # | Layer | Material | Thickness mm | Ø over mm | Source | How firmly |
|---|---|---|---|---|---|---|
| 1 | Insulation | XLPE | 1.14 | 9.5 (on each core) | MC-HL conductor XLPE insulation: the XHHW-2 band of its size (Southwire, Okonite, Nexans and Houston print the same 30 / 45 / 55 / 65 / 80 mil; UL 1569 / UL 2225 not read) | maker catalogue value, standard text not read |
| 2 | Filler | PP | fills the space between the cores | 20.4 | ||
| 3 | Separation tape | Polyester | 0.10 | 20.6 | typical polyester tape | typical value, no rule |
| 4 | Corrugated metal sheath (welded) | Aluminium | 3.43 | 27.5 | MC-HL corrugated aluminium sheath, radial band by the diameter under it: 0.115 in under 0.75 in, 0.135 to 1.0 in, 0.160 to 1.5, 0.180 to 2.0, 0.230 to 2.5, 0.250 above; fitted to four makers' diameters over the sheath, no maker prints the wall | maker catalogue value, standard text not read |
| 5 | Sheath | PVC | 1.27 | 30.0 | MC-HL PVC jacket by the diameter over the sheath: 50 mil to about 1.5 in, 60 to about 2.25 in, 75 to about 3.0 in, 85 above (Southwire, Okonite, Nexans, Houston) | maker catalogue value, standard text not read |
MC-HL is the metal-clad cable of NEC Article 330 for hazardous locations (UL 1569 and UL 2225): XHHW-2 copper conductors and bare copper grounds (three in the outer interstices of a three-conductor cable, one with four conductors) cabled with fillers under a binder tape, in a continuously welded corrugated aluminium sheath and a black PVC jacket. Checked against Southwire, Okonite, Nexans and Houston Wire & Cable: research/designer-americas/mc-hl.md in the site repository.
Materials in this cable: Copper, Aluminium, XLPE, PVC
Weight, by part
| Conductors | 1,080 kg/km |
| Metal screens and armour | 190 kg/km |
| Insulation, semicon, tapes, fillers and sheaths | 300 kg/km |
| Total | 1,580 kg/km |
|---|
Each layer's cross-section times its density; stranded conductors, laid-up cores and helical wires count 2 % longer than the cable. Densities: copper 8.89 and aluminium 2.703 g/cm³ (the values of IEC 60028 and IEC 60889); XLPE 0.92, PE 0.94, PVC 1.45, semicon 1.12, steel 7.85 g/cm³ (usual compound values).