I want to know if I can joint an old 11kV cable that's 50yrs old? The cable is an armoured with a 150mm csa, about 0.5 mile long and goes under a stream. It also passes through ground that has injected sewage sludge in it, which I'm told can deteriorate the physical integrity, so . . .
i) What cable tests/checks should be perfomed? ii) . . and how reliable are the results?
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