General Cable New Zealand Ltd is a specialist in communication and instrumentation cables. The company sells distribution telecommunications cables. These cables are suited for transmission of both digital and analogue signals. They also offer the flexibility to install in different ways. These cables can be installed by hauling into underground conduit or pipe. Installation can also be done by burying cables directly into the ground. Distribution telecommunications cables from General Cable New Zealand Ltd are also suitable for glanding. Subunits used in these cables use a variety of common colours for easy identification. Conductors used in these cables are made of plain annealed copper. Petroleum Jelly is used as the filling compound in distribution telecommunication cables. In addition, these cables from General Cable New Zealand Ltd use cellular polyethylene for insulation. Their sheath is made of linear low density polyethylene. Key electrical characteristics of these cables include conductor diameter ranging from 0.40 mm to up to 0.63 mm. They maintain optimum performance at voltage levels up to 110 Volts. During manufacture, all distribution telecommunications cables from General Cable New Zealand Ltd are subject to in-process spark testing at 2 Kv DC. These cables are manufactured in accordance with specifications outlined by Telecom New Zealand.