H05Z-U and H07Z-U Cable

The H05Z-U and H07Z-U cables are Class 1 solid copper variants of the 2491B H05Z-K/H07Z-K cable (Class 5 flexible stranded) and the 6491B H07Z-R cable (Class 2 stranded).

H05Z-U / H07Z-U Cable Specification

These cables are designed for panel wiring and suitable for fixed installation in dry, clean environments where used in conduit and trunking. Whilst the solid copper conductors reduce the flexibility of this cable, the conductor cross-sectional sizes are small enough for there to remain a reasonable degree of leeway in routing these cables into position.

As single core cables with Low Smoke Zero Halogen insulation, they are suitable for installations where consideration is given in the event of fire to both sensitive equipment and the safe evacuation of people.

Both the H05Z-U and H07Z-U cables hold CPR compliance.

H05Z-U / H07Z-U Cable Sizes and Voltage Ratings

H05Z-U has a voltage rating of 300/500V and applies to conductor cross-sectional sizes of 1mm2 and under. The H07Z-U, available from sizes 1.5mm2 to 10mm2, is rated 450/750V. As with the H07Z-R Class 2 and H07Z-K Class 5 cable variants, this single insulated Low Smoke Zero Halogen cable is available in a range of colours.

In addition to these LSZH cables, they are also PVC equivalents - H07V-K 6491X and H05V-R/H07V-R 2491X - and with EVA Rubber insulation H05G-U/H05G-K.

Should you need help navigating specification or have any technical questions surround the cables in your electrical installation, please feel free to contact our Technical Hotline for support.