particular of fig4 of the drawing there is shown the applicant 39 s new and novel non conductive safety line 18 which comprises a rope core 40 which has formed on each end thereof a pair of end loops 42 which are spliced into the rope core 40 by means known in the art the safety line 18 is formed with an exterior tubing 44 which is positioned over the rope core 40 and has a pair of shrinkable tubing sections 46 positioned over the ends of the exterior tubing 44 and over the end loop splices formed in the end loops 42 referring now to fig5 of the drawing there is shown a sectional view taken along line 5 5 of fig4 showing in further detail the interior of the applicant 39 s safety line 18 the rope core 40 may be formed in one or more strands and in the embodiment shown it can be seen that the rope core 40 is formed with three strands of non absorbing coarse rope material which are woven together as is well known in the rope art and has an exterior non absorbing tubing 44 positioned over the rope core contained between the interior surface 48 of the exterior tubing 44 and the rope core 40 is a filler 50 which.