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Designation codes

According to CEI 20-27

Designation groups

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

Secondo tabella CEI UNEL 35011-36011 (ove applicabile)

Designation groups

Designation

Symbol

Conductor type Copper None
Aluminium A
Conductor form Rigid round, solid U
Rigid round stranded R
Flexible round stranded F
Highly flexible round stranded FF
Extra flexible round stranded or special construction EF
Insulation material PVC for operating temperature of 70°C R
PVC for operating temperature of 70°C of superior quality (anti-aging) R2
PVC for operating temperature of 90°C R7
Synthetic rubber for temperature of 60°C G
High modulus ethylene propylene rubber G7
Elastomeric compound with low smoke, toxic and corrosive gas emission G9
Elastomeric compound with low smoke, toxic and corrosive gas emission G10
Thermoplastic compound with low smoke, toxic and corrosive gas emission M9
Plastic material with low toxic and corrosive gas emission (36011) M
Cross-linked compound with low smoke, toxic and corrosive gas emission G21
Thermoplastic polyethylene E
Cross-linked polyethylene for temperatures of 85°C E4
One or more mica tape strips or closed glass braid T
Cable shape Cores arranged for round cable O
Cores laid parallel for flat cable D
Helically wound cores X
Metallic coatings
(shielding and armouring)
Shield made of aluminium or metallised paper tape H
Copper tape, flat strip, or wire shield H1
Stranded or braided copper shield H2
Double-strand or braided copper shield H3
Concentric copper conductor C
Concentric aluminium conductor AC
Stranded or braided metallic armouring A
Steel wire armour F
Flat steel wire armour Z
Steel tape armour N
Jacket material TM1, TM2, RZ type PVC R
EZ type linear polyethylene E
Cross-linked polyethylene E4
Synthetic rubber G
Polychloroprene K
Thermoplastic compound with low smoke, toxic and corrosive gas emission M1
Elastomeric compound with low smoke, toxic and corrosive gas emission M2
Elastomeric compound with low smoke, toxic and corrosive gas emission M3
Plastic material with low toxic and corrosive gas emission (36011) M
Cross-linked compound with low smoke, toxic and corrosive gas emission M21



Key reference standards

CEI Standard

Standard

Description

CEI 11-17 Specifies generation, transmission, and public distribution systems of electric energy. Underground lines from 1 to 45 kV.
CEI EN 50334 Specifies the methods for marking by inscription for the identification of cores of electric cables.
CEI EN 50336

Specifies the technical characteristics and test requirements for insulation and sheath compounds of power and signalling cables.

CEI EN 60216-1 Specifies the ageing conditions and procedures to be used for deriving thermal endurance characteristics of materials.
CEI 20-13
(IEC 60502-1 as applicable)

Specifies the construction requirements, testing methods and requirements for type G7 insulated cables, for operating voltages from 1kV up to 3 kV.

CEI 20-16 Specifies the test procedure for the determination of partial discharge for medium voltage cables.
CEI 20-19/1
CEI 20-20/1

Specifies the tests and requirements for harmonized insulation and sheath compounds for PVC cables (CEI 20-20/1), for rubber cables (CEI 20-19/1).

CEI 20-19/4

Specifies the construction requirements, testing methods and requirements for rubber insulated cables sheathed in rubber or polychloroprene for mobile service, with operating voltages up to 450/750 V.

CEI 20-19/9 Specifies the construction requirements, testing methods and requirements for single-core cables without insulating sheath with cross-linked compound, halogen-free with low smoke and corrosive gas emission for fixed installation, with rated voltage up to 450/750 V.
CEI 20-19/16

Specifies the construction requirements, methods and test requirements for rubber insulated cables sheathed in polychloroprene for mobile service, with operating voltages up to 450/750 V for immersion.

CEI 20-20/3

Specifies the construction requirements, testing methods and requirements for PVC insulated unsheathed cables, for fixed laying, with operating voltages up to 450/750 V.

CEI 20-20/5

Specifies the construction requirements, testing methods and requirements for PVC insulated cables sheathed PVC, for mobile service, with operating voltages up to 450/750 V.

CEI 20-20/7

Specifies the construction requirements, testing methods and requirements for single pole cables without sheathing for temperatures of 90°C, with operating voltages up to 450/750 V.

CEI 20-20/12

Specifies the construction requirements, testing methods and requirements for PVC insulated cables sheathed in PVC, for mobile service, for temperature of 90°C, with operating voltages up to 450/750 V.

CEI 20-20/13

Specifies the construction requirements, testing methods and requirements for PVC insulated cables sheathed in PVC, oil resistant, with operating voltages up to 450/750 V.

CEI 20-20/15 Specifies the construction requirements, testing methods and requirements for single pole cables without insulating sheath with thermoplastic compound, halogen-free with low smoke and corrosive gas emission for fixed installation, with rated voltage up to 450/750 V.
CEI 20-21 Specifies the calculation of the current rating of power cables in steady condition.
CEI 20-22/2 (CEI 20-22 II)

Specifies the test procedure and requirements for assessment of flame spread of bundled cables, with non-metallic material of 5 or 10 kg/m.

CEI 20-27 Specifies the designation system for harmonized cables.
CEI EN 50266-2-4
CEI 20-22/3-4, (CEI 20-22 III)
IEC 60332-3-24 Cat. C
Specifies the test procedure for the assessment of flame spread of bundled cables, with non-metallic material of 1.5 l/m.
CEI 20-36/1-1
IEC 60331-11
Specifies the apparatus for fire resistance testing without mechanical shock.
CEI 20-36/2-1
IEC 60331-21

Specifies the procedure and requirements for fire resistance testing of cables with operating voltage up to 0.6/1 kV. Procedure without mechanical shock.

CEI EN 60332-1-2
CEI 20-35/1-2
(IEC 60332-1 as applicable)
Specifies the test procedure and requirements for the assessment of the vertical flame propagation on single cables.
CEI EN 50200
CEI 20-36/4-0

Specifies the equipment and method of test for the resistance to fire of cables having a diameter of up to 20 mm. Method with mechanical shock.

CEI EN 50362
CEI 20-36/5-0

Specifies the equipment and method of test for the resistance to fire of cables having a diameter greater than 20 mm. Method with mechanical shock.

CEI EN 50267-2-1
CEI 20-37/2-1
(IEC 60754-1 as applicable)
Specifies the test method for the determination of corrosive gases (HC1) released during combustion of materials from cables.
CEI EN 50267-2-2
CEI 20-37/2-2

Specifies the test procedure for the determination of degree of acidity (corrosivity) of gases, released during combustion of materials from cables, by measuring Ph and conductivity.

CEI EN 61034-2
CEI 20-37/3-1
Specifies the test procedure for the determination of smoke density of cables subjected to combustion. (Light transmittance)
CEI 20-37/4-0

Specifies the test equipment and method for the determination of the toxicity index of gases released during combustion of materials from cables.

CEI 20-38/1

Specifies the construction requirements, test methods of G10 insulated cables which do not propagate fire and generate low levels of toxic and corrosive gases (halogen-free), for operating voltages up to 1kV.

CEI 20-40 Provides guidance on using electric cables with an operating voltage up to 450/750 V.
CEI 20-45

Specifies the construction requirements, testing methods and requirements for fire resistant cables, for operating voltages from 1kV up to 3 kV.

CEI 20-48 Specifies the general requirements for high modulus EPR insulated cables for distribution, with operating voltage of 0.6/1 kV.
CEI 20-52 Specifies the test procedure and requirements for determining the amount of lead in the non-metallic materials of cables.
CEI 20-67 Provides guidance on using electric cables with an operating voltage up to 0.6/1 V.
CEI EN 50395
CEI EN 50396

Specifies the test methods and requirements of harmonised cables insulated in PVC and rubber with operating voltage up to 450/750 V.

CEI 64-8 Electrical systems at a rated voltage not exceeding 1,000 V AC and 1,500 V DC.
CEI 64-15 Electrical systems in buildings of historic and/or artistic importance.


CEI UNEL Standards

Table

Description

UNEL 00721 Specifies the sheathing colours of electric cables.
UNEL 00722 Specifies the identification of cores in electric cables.
UNEL 35011 Specifies the electric cable designation symbols for energy, signal and control for national cables.
UNEL 35012 Specifies the markings and classification of cables in relation to fire.
UNEL 35024/1

Specifies the continuous current capacities for open air installation of power cables with operating voltages up to 1,000 V AC and 1,500 V DC

UNEL 35026

Specifies the continuous current capacities for underground installation of power cables with operating voltages up to 1,000 V AC and 1,500 V DC

UNEL 35027 Specifies the continuous current capacity for open air and underground installation of medium voltage power cables.
UNEL 35368 Specifies construction and sizing requirements for N07G9-K type cables.
UNEL 35369 Specifies construction and sizing requirements for FG10OM1-0.6/1 kV type energy cables.
UNEL 35370 Specifies construction and sizing requirements for RG10OM1-0.6/1 kV type energy cables.
UNEL 35371 Specifies construction and sizing requirements for FG10OM1-0.6/1 kV type signal and control cables.
UNEL 35375

Specifies construction and sizing requirements for FG7R-0.6/1 kV, FG7OR-0.6/1 kV, FG7OH1R-0.6/1 kV, FG7OH2R-0.6/1 kV type energy cables.

UNEL 35376 Specifies construction and sizing requirements for U/RG7R-0.6/1 kV, U/RG7OR-0.6/1 kV, U/RG7OH1R-0.6/1 kV type energy cables.
UNEL 35377

Specifies construction and sizing requirements for FG7OR-0.6/1 kV, FG7OH1R-0.6/1 kV, FG7OH2R-0.6/1 kV type signal and control cables.

UNEL 35378 Specifies construction and sizing requirements for U/RG7OFR-0.6/1 kV, U/RG7OZR-0.6/1 kV type energy cables.
UNEL 35379 Specifies construction and sizing requirements for U/RG7ONR-0.6/1 kV type energy cables.
UNEL 35382

Specifies construction and sizing requirements for FG7M1-0.6/1 kV, FG7OM1-0.6/1 kV, FG7OH1M1-0.6/1 kV, FG7OH2M1-0.6/1 kV type energy cables.

UNEL 35384

Specifies construction and sizing requirements for FG7OM1-0.6/1 kV, FG7OH1M1-0.6/1 kV, FG7OH2M1-0.6/1 kV type signal and control cables.

UNEL 35752 Specifies construction and sizing requirements for N07V-K type cables.
UNEL 35755 Specifies construction and sizing requirements for N1VV-K, N1VC7V-K, N1VC4V-K type signal and control cables.
UNEL 35756 Specifies construction and sizing requirements for N1VV-K, N1VC7V-K, N1VC4V-K type energy cables.
UNEL 35757 Specifies construction and sizing requirements for single pole N1VV-K type energy cables.
UNEL 36713 Specifies construction and sizing requirements for internal telephone cables type TR/R and TR/HR.

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Since 1965, La Triveneta Cavi has been one of the major players within the European market for low- and medium-voltage cables for various sectors (industry, home use, power distribution, renewable technologies). read all »


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36040

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Corporate info

La Triveneta Cavi s.p.a.
Fully paid-up share capital € 15.480.000,00
VI Bus. Reg. no. 21789
Economic and Administrative Index 197814 Tax Code 02782190157
VAT no. 01981240243 M/VI 002258