
NYY unarmoured 1kV power cable, single/m’core
With an especially tough sheath these cables can be used as an alternative to the old Delta Hi-tuf.
Category: PVC Power and General Wiring
Product Specification
NYY unarmoured 1kV power single or multicore cables have an especially tough sheath and are designed for fixed power and control use, primarily in industrial applications. Also known as NYY-J (including earth) and NYY-O (without earth) they can be used as an alternative to the old Delta Hi-tuf cables.
Suitable for installation indoors, outdoors, in ducts, in water or underground where armour is not required.
Construction – NYY unarmoured 1kV power |
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solid or stranded plain copper conductors |
polyvinylchloride (PVC) core insulation |
cores twisted concentrically (in multicores only) |
filling compound over the core assembly |
black hardened PVC outer sheath |
Technical – NYY unarmoured 1kV power | |
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conductor make-up: | class 1 (solid) or class 2 (non-flexible stranded) |
– see Stranding/Resistance page | |
bend radius: | single core = 15 x overall diameter |
multicore = 12 x overall diameter | |
voltage rating: | 600/1000V operating , 4000V test |
current rating: | as per NYY and NYCY chart, see Current Ratings page |
temperature range: | +5°C to +50°C flexible, -30°C to +70°C static |
construction: | generally to DIN VDE 0276 part 604 |
flame retardant: | according to IEC 60332 |
core identification: | single core = black or green/yellow inner insulation |
2 cores = coloured to VDE 0293 without earth, see Colour Codes page | |
3 to 5 cores = coloured to VDE 0293 with earth (inc. in core count) | |
6+ cores = numbered black cores with earth (inc. in core count) |
A printable specification is available here: NYY unarmoured 1kV power cable, single/multicore.
A similar cable with low smoke zero halogen sheathing can be found here: N2XH XLPE/LSOH 1kV
For similar screened or armoured cables return to the PVC Power & General Wiring front page.