The use of solar powered cellular communications systems is well established. Therefore the protection of the interconnecting cables, operating in harsh environment, is an imperative. The harsh environment conditions which are prevalent along the rail line from Sishen in the Northern Cape to Saldanha Bay, some 1000 km to the south, requires a tailored, to specification, reliable cable protection system to meet these demands. The whole system needs to comply with the concept of an “intrinsic safety” for the whole installation… (more)