Single Core Cable

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Single-Core Building Wire Range

Single-core building installation wires covering EU H05Z1/H07Z1 LSZH and H05V/H07V PVC types, and UK 6491X PVC/6491B LSZH conduit wires, in solid, stranded or flexible copper, 0.5–25 mm², 300/500V or 450/750V, for applications including protected wiring, conduit, trunking, panels, earthing and control gear.
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EU Standard

Exact EU designation Customer-facing English product name Conductor / construction Typical common cores Typical common sizes (mm²) Insulation / sheath Rated voltage Uo/U Typical EU low-voltage use
H05Z1-U Halogen-free single-core installation wire, solid Class 1 solid copper 1C 0.5; 0.75; 1.0 LSZH thermoplastic insulation 300/500 V Protected fixed wiring where low smoke and halogen-free performance is required
H05Z1-R Halogen-free single-core installation wire, stranded Class 2 stranded copper 1C 0.5; 0.75; 1.0 LSZH thermoplastic insulation 300/500 V Protected fixed wiring where low smoke and halogen-free performance is required
H05Z1-K Halogen-free single-core installation wire, flexible Class 5 flexible copper 1C 0.5; 0.75; 1.0 LSZH thermoplastic insulation 300/500 V Protected fixed wiring, panel wiring and public-building applications
H07Z1-U Halogen-free single-core installation wire, solid Class 1 solid copper 1C 1.5; 2.5; 4; 6; 10; 16 LSZH thermoplastic insulation 450/750 V Protected fixed installation where low smoke and halogen-free performance is required
H07Z1-R Halogen-free single-core installation wire, stranded Class 2 stranded copper 1C 1.5; 2.5; 4; 6; 10; 16; 25 LSZH thermoplastic insulation 450/750 V Protected fixed installation where low smoke and halogen-free performance is required
H07Z1-K Halogen-free single-core installation wire, flexible Class 5 flexible copper 1C 1.5; 2.5; 4; 6; 10; 16; 25 LSZH thermoplastic insulation 450/750 V Protected fixed installation, panel wiring and public-building applications
H05V-U PVC single-core installation wire, solid Class 1 solid copper 1C 0.5; 0.75; 1.0 PVC insulation 300/500 V Protected fixed wiring in conduit, trunking and panels
H05V-R PVC single-core installation wire, stranded Class 2 stranded copper 1C 0.5; 0.75; 1.0 PVC insulation 300/500 V Protected fixed wiring where a stranded conductor is preferred
H05V-K PVC single-core installation wire, flexible Class 5 flexible copper 1C 0.5; 0.75; 1.0 PVC insulation 300/500 V Protected fixed wiring, panel wiring and control circuits
H07V-U PVC single-core installation wire, solid Class 1 solid copper 1C 1.5; 2.5; 4; 6; 10; 16 PVC insulation 450/750 V Protected fixed installation in lighting, conduit and control gear
H07V-R PVC single-core installation wire, stranded Class 2 stranded copper 1C 1.5; 2.5; 4; 6; 10; 16; 25 PVC insulation 450/750 V Protected fixed installation in conduit and enclosed systems
H07V-K PVC single-core installation wire, flexible Class 5 flexible copper 1C 1.5; 2.5; 4; 6; 10; 16; 25 PVC insulation 450/750 V Protected fixed installation where extra flexibility is useful

UK Standard

UK trade designation / code Standard product description Typical cores / pairs Typical common sizes (mm²) Typical sheath / finish Typical voltage rating Typical governing standard / spec Typical UK market use
6491X Single core PVC insulated conduit wire 1C 1.0; 1.5; 2.5; 4.0; 6.0; 10.0; 16.0; 25.0 Brown; Blue; Black; Grey; Green/Yellow 450/750V BS EN 50525-2-31 Conduit / trunking / panel tails / earthing (G/Y)
6491B Single core LSZH insulated conduit wire 1C 1.0; 1.5; 2.5; 4.0; 6.0; 10.0; 16.0; 25.0 Brown; Blue; Black; Grey; Green/Yellow 450/750V BS EN 50525-3-41 Low smoke conduit / trunking / panel tails / earthing
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