Repairing insulation

davezawadi (David Stone):

Interesting point Andy, but rather out of date in application as we have better methods than choc block now. If I use proper crimps, I do not need to inspect, therefore don't need an enclosure. I would be perfectly happy to join a large cable, so why not a small one using the same method? Resin filled joints basically use this method and are not inspectable, being crimped (or even screwed) joins in a cable surrounded with suitable insulation. There is no "enclosure" as such, only a mould for the resin, which is a flimsy "enclosure" I suppose, but not openable. The days of the big cast-iron box and pitch have long gone. Perhaps this is another bit that should be changed? I see no reason why suitable tape or adhesive heat-shrink should not be used, both waterproof and excellently insulated, what more could I want?

I guess the other characteristic is fire-proofness (is that a word?) - any kind of joint (even one that doesn't need subsequent inspection) is a weakness and is for more likely to be subject to overheating and perhaps fire than the original conductor.


   - Andy.

davezawadi (David Stone):

Interesting point Andy, but rather out of date in application as we have better methods than choc block now. If I use proper crimps, I do not need to inspect, therefore don't need an enclosure. I would be perfectly happy to join a large cable, so why not a small one using the same method? Resin filled joints basically use this method and are not inspectable, being crimped (or even screwed) joins in a cable surrounded with suitable insulation. There is no "enclosure" as such, only a mould for the resin, which is a flimsy "enclosure" I suppose, but not openable. The days of the big cast-iron box and pitch have long gone. Perhaps this is another bit that should be changed? I see no reason why suitable tape or adhesive heat-shrink should not be used, both waterproof and excellently insulated, what more could I want?

I guess the other characteristic is fire-proofness (is that a word?) - any kind of joint (even one that doesn't need subsequent inspection) is a weakness and is for more likely to be subject to overheating and perhaps fire than the original conductor.


   - Andy.