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Designation codes According to CEI 20-27 CENELEC HD361
Designation
Symbol
Reference to standards Harmonised cable H
Authorised national cable A
Other national cable types N
Rated voltage Uo/U 100/100 V 01
300/300 V 03
300/500 V 05
450/750 V 07
0,6/1 kV 1
Insulation material ordinary PVC V
PVC for temperature of 90°C V2
Synthetic rubber for temperature of 60°C R
Ethylene propylene rubber B
Polychloroprene for welding cables N2
Polyolefin-based cross-linked compound with low smoke, toxic and corrosive gases emissions Z
Polyolefin-based thermoplastic with low smoke, toxic and corrosive gases emissions Z1
Metallic coatings
(shielding and armouring) Copper braid shield applied around assembled cores C4
Copper braid shield applied around single cores C5
Copper wire, tape, or strip screen over assembled cores C7
Concentric copper conductor C
Steel wire armour Z 2
Flat steel wire armour Z 3
Steel tape armour Z 4
Steel wire braid armour Z 5
Cable shape Flat non separable cables H2
Flat cables with three or more cores H6
Cables with double layer insulation applied by extrusion H7
Jacket material ordinary PVC V
PVC for operating temperature of 90°C V2
Oil resistant PVC V5
Synthetic rubber R
Ethylene propylene rubber B
Polychloroprene N
Water resistant polychloroprene N8
Polyurethane Q
Chlorosulfonated polyethylene or chlorinated polyethylene N4
Polyolefin-based cross-linked compound with low smoke, toxic and corrosive gases emissions Z
Polyolefin-based thermoplastic with low smoke, toxic and corrosive gases emissions Z1
Conductor material Copper None
Aluminium A
Conductor form Rigid round, solid U
Rigid round stranded R
Flexible for dynamic laying F
Flexible for fixed laying K
Flexible for welding cables D
Highly flexible for welding cables E
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source: Designation codes According to CEI 20-27 CENELEC HD361 (https://www.latrivenetacavi.com/en/cavi_sigle_norme.aspx)
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