dicumyl peroxide t butylcumyl peroxide 2 5 dimethyl 2 5 di t butylperoxy hexane di t butyl peroxide and the like dicumyl peroxide is particularly preferred the polymeric composition described above may optionally comprise an effective amount of one or more conventional additives such as for example antioxidants processing co adjuvants lubricants pigments water tree retardants voltage stabilizers anti scorching agents and the like antioxidants generally useful for this purpose include 4 4 u2032 thiobis 6 t butyl m cresol known under the trade name santonox u00ae tbmc from flexsys tetrakis 3 3 5 di t butyl 4 hydroxyphenyl propionyl oxymethyl methane known under the trade name irganox u00ae 1010 from ciba 2 2 u2032 thiobis 4 methyl 6 t butylphenol known under the trade name irganox u00ae 1081 from ciba 2 2 u2032 thiodiethylenebis 3 3 5 di t butyl 4 hydroxy phenyl propionate known under the trade name irganox u00ae 1035 from ciba and thiocarboxylic acid esters or mixtures thereof the attached fig1 illustrates one embodiment of the cable according to the present invention and particularly shows in perspective view a section of cable with parts removed step by step to demonstrate its structure with reference to fig1 the cable 1 according to the present invention comprises in sequence from the centre outwards a conductor 2 an.