The HVI®long is a high-voltage-resistant insulated down conductor for keeping the separation distance to electrically conductive parts in your lightning protection system according to IEC/EN 62305-3. It can be used up to an equivalent separation distance s ? 75 cm (in air) or s ? 150 cm (solid building material). For on-site assembly, the HVI®long Conductor is delivered in a length of 100 m on a disposable plywood reel (diameter approx. 800 mm, width approx. 485 mm) incl. one Allen key.