electrical cable discolouration

gonad

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9 Jun 2002
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just back on the boat after 16 months away I left the c-tek charging the positive cable is now a dark brown batteries 0 charge i thought due to leccy being interrupted boat FULL of cockroaches so sprayed and sprayed and used sulphur bomb could this have changed the colour? or was something eg fan overheating cable cut in and copper looks bright
 
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