Cable Code Designation

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Code designations for cables

A cable code of 2 - 4 letters is used to describe the construction.
Additional abbreviation for instrumentation cables: Collective screen = (c) Individual pair or triple screen = (i)
The interpretation (per letter) can be read from the table below:

1st. letter: Insulation 2nd. letter: Bedding/Inner sheath 3rd. letter: Armouring/Screen 4th. letter: Outer sheath
A Fibre, tight cladded A Aluminium (optional with corrosion protection) A Strength member yarn A Yarn + bitumen
B Fire resistant tape + insulation (Halogen-free) B Corrugated aluminium (o.w.c.p.) B Steel tapes, 2 off B Hydrocarbon resistant sheath
C Polychloroprene (Neoprene) PCP, or chlorinated polyethylene - CPE C Polychloroprene (Neoprene) PCP, or chlorinated polyethylene - CPE C Galvanized steel wire braid C Polychloroprene (Neoprene) PCP, or chlorinated polyethylene - CPE
D Impregnated paper Drip free D Aluminium + Plastics D Oil filled cable reinforcement (Longitudinal / Transverse) D
E Polyethylene - PE Polypropylene - PP E Polyethylene - PE Polypropylene - PP E Oil filled cable reinforcement (Transverse only) E Polyethylene - PE Polypropylene - PP
F PE or PP + filling compound F Bedding or taping (Halogen-free) F Flat steel wire armour F Semi-conducting PE
G Polyamid - PA G G G PE + PA
H Chlorosulphonated polyethylene - CSP H Chlorosulphonated polyethylene - CSP H Steel tape + steel wires H Chlorosulphonated polyethylene - CSP
I Thermoplastic compound (Halogen-free) I Thermoplastic compound (Halogen-free) I Steel tapes, 4 off I Thermoplastic compound (Halogen-free)
K Paper K Lead K Steel wire, plastics or rubber coated K Lead
L Air + plastics (Coaxial cable) L Aluminium laminate + plastics sheath L Aluminium (laminated to outer jacket) L
M Expanded PE or PP + filling compound M Polyester M M Polyester
N Impregnated paper N Polyurethane N Steel (laminated to outer jacket) N Polyurethane
O Impregnated paper, oil-filled cable O Lead + Plastics O Copper wire braid (Tinned or bare) O
P Polyvinylchloride - PVC P Polyvinylchloride - PVC P Phosphorbronze wire braid P Polyvinylchloride - PVC
Q Fibre in loose tube Q Q Steel wires + counter steel tape (optional) Q
R Ethylenepropylene rubber - EPR R Ethylenepropylene rubber - EPR R Steel wires (round) + filling compound R Ethylenepropylene rubber - EPR
S Silicone rubber S Bedding or taping + concentric conductor S Concentric conductor (Screen) S Silicone rubber
T Cross-linked polyethylene XLPE T PE + aluminium wire + steel tape T T Cross-linked polyethylene XLPE
U Halogen-free thermoset compound EMA or EVA U Halogen-free thermoset compound EMA or EVA U U Halogen-free thermoset compound EMA or EVA
V Fibre, slotted core V Aluminium screen V Double wire armour (two layers) V Other halogen-free thermoset materials
W Other materials W Other materials W Catenary wire W Other materials
X No insulation X No bedding or equivalent X No armour X No sheath7
Y Y Screen Y Y
Z Flour plastics PTFE / FEP Z Flour plastics Z Z Flour plastics

Source: Draka Norsk Kabel

Code designation according to the VDE

Cable codes according to the VDE
Cable code letters (simplified)

See also