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water in an outdoor JB and effect on SWA glanded in on the lower edge

psychicwarrior

Outdoor electrics tripping out and located to a JB (above ground) with water in it  (not clear if its condensation [seemed a lot for that] or a failed stuffing gland on the top edge - favour the latter)

Box emptied and dried out.  however,  the outdoor SWA glands on the bottom edge were obviously soaked and water must have seeped down the 3-core (one as cpc) cable (which goes underground).  Armour tied to cpc at both ends.

Just curious on other folks experiences on whether cables ever dry out (to some / any extent)  and whether will perform fine for lifetime  ?

thank you

 

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    If possible a hair drier can be used to drive any moisture out from the cable to an open end. It will take time though. The heat will not be enough to damage the cable. The process is similar to using a blowlamp on damp M.I.C.C. cable to drive out moisture to an open unterminated end. Start by warming the cable about a metre from the end and work slowly towards an open end. This may take several passes with the hair drier.

    Z.

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  • 0

    If possible a hair drier can be used to drive any moisture out from the cable to an open end. It will take time though. The heat will not be enough to damage the cable. The process is similar to using a blowlamp on damp M.I.C.C. cable to drive out moisture to an open unterminated end. Start by warming the cable about a metre from the end and work slowly towards an open end. This may take several passes with the hair drier.

    Z.

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