2H1.5
2H1.5 is a Mineral insulated cables (MICC, IEC 60702-1 grades) cable designation: H = Heavy duty grade, 750 V (450/750 V): mineral insulated copper cable; the number before the letter counts the cores, the number after it is the conductor in mm2; 2H1.5 = 2H1.5: mineral insulated copper cable, heavy duty 750 V, 2 x 1,5 mm2, 7.9 mm over the copper sheath (9.6 mm with the LSZH covering). 450/750 V; copper sheath 70 C covered or exposed to touch, 105 C bare and out of reach. IEC 60702-1 / BS EN 60702-1 (as the makers cite it; not held here).
1 coding system recognises this code
Mineral insulated cables (MICC, IEC 60702-1 grades)
| Symbol | Meaning |
|---|---|
H | Heavy duty grade, 750 V (450/750 V): mineral insulated copper cable; the number before the letter counts the cores, the number after it is the conductor in mm2 |
2H1.5 | 2H1.5: mineral insulated copper cable, heavy duty 750 V, 2 x 1,5 mm2, 7.9 mm over the copper sheath (9.6 mm with the LSZH covering). 450/750 V; copper sheath 70 C covered or exposed to touch, 105 C bare and out of reach. IEC 60702-1 / BS EN 60702-1 (as the makers cite it; not held here) |
What is 2H1.5 cable?
2H1.5: mineral insulated copper cable, heavy duty 750 V, 2 x 1,5 mm2, 7.9 mm over the copper sheath (9.6 mm with the LSZH covering). Rating: 450/750 V; copper sheath 70 C covered or exposed to touch, 105 C bare and out of reach. Standard: IEC 60702-1 / BS EN 60702-1 (as the makers cite it; not held here).
Documents and pages the readings were taken from
- Wrexham Mineral Cables, Wrexham Mineral Cables catalogue, Standard Conductor Cable tables, pp. 20 to 21: https://electricaldirect-assets.s3.amazonaws.com/product-documentation/technical/835702.pdf [seen: manufacturer]
- nVent Pyrotenax, nVent Pyrotenax MI Wiring Cable System brochure, Pyro MI Cable System Data, p. 10: https://www.topazfiresystems.com/images/special-systems/micc/MICC%20Cable.pdf [seen: manufacturer]
- KME Italy, KME Italy MICO mineral insulated cables brochure, Cable technical data, p. 10: https://www.kme.com/fileadmin/DOWNLOADCENTER/COPPER%20DIVISON/6._Mineral_Insulated_Cables/Mineral_Insulated_Cables_Manuals_KME_Italy_Spa/Brochure_KME_Italy_MICO_Mineral_Insultated_Cables.pdf [seen: manufacturer]
Mineral insulated cables (MICC, IEC 60702-1 grades): how to read the cable type names
2H1.5 as the cable designer builds it, 2x1.5 450/750 V
Overall diameter 7.9 mm, about 240 kg/km. Nominal values from the standard's tables for this size, computed, not a maker's data.
| Layer | Material | Thickness, mm | Over the layer, mm |
|---|---|---|---|
| Insulation | Compressed magnesium oxide (MgO) | 1.0 | 3.4 |
| Metal sheath (lead or smooth aluminium) | Copper | 0.54 | 7.9 |
2H1.5 on a drum
The smallest drum that passes every check, for 7.9 mm and about 240 kg/km as the cable designer builds it. Drums as their makers print them; lengths are estimates: whole layers wound nested (each turn in the groove of the layer below), wound diameter 1.05 × OD, 50 mm freeboard under the flange rim. Cable makers' own tables print less, as they count aligned layers.
| Length | Drum size (its makers) | Layers | Gross weight |
|---|---|---|---|
| 500 m | KTG 5 (500 mm flange), wood KTG drums (Europe), Meinhart Kabel | 14 of 17 | 128 kg |
| 1,000 m | KTG 7 (710 mm flange), wood KTG drums (Europe), Bayka, KTG | 15 of 17 | 265–268 kg |
Barrel at least 15 × OD = 118 mm for a cable of this kind (Low voltage, multi-core): KTG table, the cable's datasheet wins. A load rating is the drum maker's own.
Other lengths, drums and weights: the cable drum calculator
Load it on a truck: 1000 m on its drum in the loading planner
Laying, sizes and datasheet: 2H1.5
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Work with 2H1.5
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