23 Minknum nominal thickness
24 Maximum diameter
25 Cables having conductors of nominal cross-sectional area up to and including lOmm* are class 5; cables having conductors of nominal cross-sectional area above 10mm1 are class 2.
26 Variation; Difference between the median value after ageing and the median value without ageing, expressed a percentage of the latter N/A - Test not applicable
27 CImim numbers refer to (his section unless rated otherwise
28 Variation: difference between the median value after ageing and the median value without ageing expressed as a percentage of the latter.
(1) It applicable
H Not applicable
29yeflоw and green - light blue - black, or light blue * biack brown, or black - ЫаскГІ - brown
30yellow and green - light blue - black - brown, or light Ыие - black - black! *} ’ brown
(*> with possible additional marking
The coloured cores shall be in the order given above.
The phase core Identification shea be made by colours for cross-sections up to 6mm1. For cores greater than 6mm1 the phase core identification may be made alternatively by colours, or by numbers when cores are black, in the following order: 1 -2*3.
2.2 Thickness of inner covering
The thickness of the inner covering is given as an approximate value and need not be checked by measurement.
2.3 Cable marking
The method of cable marking shall comply with clausa 3 of Part 1 end the following additional requirements.