CEI UNEL 35011 | |||||||||
| Symbols on the nature and degree of flexibility of the conductors | |||||||||
| - | no symbol: copper conductor | ||||||||
| A | aluminum conductor | ||||||||
| EF | extra flexible wire, stranded or special construction | ||||||||
| F | stranded round conductor | ||||||||
| FF | highly flexible wire round rope | ||||||||
| R | stranded round conductor normal or compact | ||||||||
| S | sector-stranded | ||||||||
| SU | sector-single conductor wire | ||||||||
| U | single conductor wire round | ||||||||
| Symbols for insulation | |||||||||
| C | paper impregnated with a mixture of normal | ||||||||
| C1 | paper impregnated with a mixture of non-migrant | ||||||||
| C2 | paper impregnated with a special blend of gas and | ||||||||
| C3 | paper impregnated with oil-filled | ||||||||
| C4 | paper impregnated with a mixture stabilized | ||||||||
| E | blends based on polyethylene thermoplastic | ||||||||
| E4 | compound based on cross-linked polyethylene having a characteristic temperature of 85 °C suitable for protective coatings | ||||||||
| G | mixture based on natural rubber and / or synthetic with characteristic temperature of 60 ° C, quality EI1 | ||||||||
| G4 | silicone rubber compound with characteristic temperature of 180 °C, quality EI2 | ||||||||
| G7 | mixture based on ethylene-propylene rubber having a high modulus characteristic temperature of 90 °C | ||||||||
| G8 | mixture based on ethylene-propylene rubber is also suitable for cables without having rivestimentoprotettivo characteristic temperature of 85 °C | ||||||||
| G9 | elastomeric reticulated low smoke and toxic and corrosive gases suitable for cables without protective coating having the characteristic temperature of 90 °C | ||||||||
| G10 | crosslinked rubber compound with low smoke and toxic and corrosive gases with ambient temperatures of 90 °C | ||||||||
| G19 | crosslinked rubber compound with low smoke and toxic and corrosive gases with ambient temperatures of 90 °C | ||||||||
| G20 | crosslinked insulating compound for low smoke and toxic and corrosive gases with ambient temperatures of 90 °C | ||||||||
| M | mineral insulation | ||||||||
| M9 | thermoplastic compound with low emission of smoke and corrosive gastossici and with characteristic temperature of 70 °C | ||||||||
| R | polyvinyl chloride compound with characteristic temperature of 70 °C, quality TI1 and TI2 | ||||||||
| R2 | polyvinyl chloride compound with characteristic temperature of 70 °C, as R2 | ||||||||
| R4 | compound based on polyamide resin | ||||||||
| R5 | mixture based on fluorocarbon resins | ||||||||
| R5F | mixture based on fluorocarbon copolymer resins - tetrafluoroethylene - hexafluoropropylene (FEP) | ||||||||
| R5 | mixture based on fluorocarbon resins - perfluorometilviniletere-tetrafluoroethylene copolymer (MFA) | ||||||||
| R5P | mixture based on fluorocarbon resins - perfluorpropilviniletere-tetrafluoroethylene copolymer (PFA) | ||||||||
| R7 | polyvinyl chloride compound with characteristic temperature of 90 ° C as TI3 | ||||||||
| T4 | Sterling canvas (oil-based paints and resins) | ||||||||
| V | glass cloth may be impregnated | ||||||||
| T | one or more strips of glass or mica glass braid closed | ||||||||
| Markings indicating the concentric conductors and screens on single core cables or the individual core of multicore cables | |||||||||
| AC | concentric aluminum conductor, if is not a metal sheath | ||||||||
| C | concentric copper conductor, if is not a metal sheath | ||||||||
| H | screen metallic paper or paper-carbon or aluminum strip | ||||||||
| H1 | screen or flat ribbons or wires of copper | ||||||||
| H2 | braid or braided copper screen | ||||||||
| H3 | screen double braid or double braid copper | ||||||||
| H4 | screen of corrugated steel tape longitudinal | ||||||||
| H5 | screen coated aluminum tape longitudinally | ||||||||
| Q | copper sheath | ||||||||
| Symbols related to protective coatings on single core cables or the individual core of multicore cables | |||||||||
| Non-metallic coatings: | |||||||||
| E | EZ-quality plastic sheath | ||||||||
| E4 | sheath of polyethylene quality E4M | ||||||||
| G | sheath of natural rubber and / or synthetic quality Gy | ||||||||
| G6 | sheath made of polyethylene or chlorinated clorusulforato, quality G6M | ||||||||
| K | sheath-based polychloroprene or equivalent products, quality Ky, Kn, Kz | ||||||||
| R | sheathed in polyvinyl chloride, as TM1, TM2, RZ | ||||||||
| R4 | sheath made of polyamide resin | ||||||||
| M1 | plastic sheath with low smoke and toxic gases and corrosive | ||||||||
| M2 | elastomeric sheath low smoke and toxic gases and corrosive quality M2 | ||||||||
| M3 | elastomeric sheath, with low toxic and corrosive gases, quality M3 | ||||||||
| M4 | elastomeric sheath, with low toxic and corrosive gases, quality M4 | ||||||||
| T | textile braid (possibly saturated) normal type | ||||||||
| T1 | bandage tape glass | ||||||||
| T2 | textile braid of special type (eg glass braid) may be impregnated | ||||||||
| Metallic coatings: | |||||||||
| A | smooth aluminum sheath, or armor braid (shield) wire | ||||||||
| A1 | corrugated aluminum sheath | ||||||||
| EL | sheath of lead alloy, with an underlying continuity conductor | ||||||||
| EP | sheath of lead alloy with no underlying continuity conductor | ||||||||
| F | cylindrical wire armouring, usually steel | ||||||||
| FJ | wire armouring as above, with outer jute impregnated, or equivalent | ||||||||
| H4 | screen of corrugated steel tape longitudinal | ||||||||
| H5 | screen coated aluminum tape longitudinally | ||||||||
| L | lead alloy sheath | ||||||||
| N | normally steel tape armouring | ||||||||
| NJ | weave strips as above, with outer jute impregnated or equivalent | ||||||||
| P | not lead alloy sheath | ||||||||
| Q | copper sheath | ||||||||
| Z | weave strips of steel normally | ||||||||
| ZJ | weave strips as above, with outer jute impregnated or equivalent | ||||||||
| Symbols on the composition and shape of the cables: | |||||||||
| - | no symbol: single core cables | ||||||||
| O | cores, possibly with its own cover, together with or without fillers to form a virtually round cable | ||||||||
| D | cores as above, side by side parallel cable (external form flattened) | ||||||||
| X | cores as above, combined with propeller visible (eg cable precordium) | ||||||||
| W | cores united parallel with a groove intermediate (divisible flat cable, sharp-edged or rounded) | ||||||||
| W1 | parallel souls united with intermediate insulating bars | ||||||||
| Any particular organs: | |||||||||
| S | bearing organ, usually metal, built-in non-metallic sheath | ||||||||
| Y | bearing organ, textile or metal, including between cores or externally attached a wire embedded in the non-metallic sheath. | ||||||||
CEI HD 361-S4 | |||||||||
| Reference to standards: | |||||||||
| H | Cable conforming to harmonized standards | ||||||||
| - | Non-harmonized cable | ||||||||
| National Committees may use any symbol or system that does not conflict with HD 361. If the system laid down by HD 361 is used for non-harmonized cables, it is recommended not to use a prefix symbol. | |||||||||
| Rated voltage Uo/U: | |||||||||
| 01 | 100/100 V | ||||||||
| 03 | 300/300V | ||||||||
| 05 | 300/500V | ||||||||
| 07 | 450/750V | ||||||||
| 1 | 1000/1000 V* At present, the rated voltage is limited to PV-cables acc. to EN 50618. | ||||||||
| Insulating and sheathing materials for non-metallic: | |||||||||
| B | Ethylene- propylene rubber for conductor temperature 90 °C | ||||||||
| G | Ethylene-vinileacetato | ||||||||
| J | Braided glass fiber | ||||||||
| M | Mineral | ||||||||
| N | Polychloroprene-rubber (or equivalent material) | ||||||||
| N2 | Special-rubber compound of polychloroprene for sheathing of welding cable | ||||||||
| N4 | Chlorosulphonated polyethylene | ||||||||
| N8 | Special-rubber compound of polychloroprene, water resistant | ||||||||
| Q | Polyurethane | ||||||||
| Q4 | Polyamide | ||||||||
| R | Etilepropilene ordinary rubber or equivalent synthetic elastomer to a continuous operation temperature of 60 °C | ||||||||
| S | Silicone rubber | ||||||||
| T | Textile braid impregnated or not on all the souls | ||||||||
| T6 | Textile braid impregnated or not the individual cores of a multicore cable | ||||||||
| V | Commonly used polyvinyl chloride (PVC) | ||||||||
| V2 | PVC compound for conductor temperature of 90°C | ||||||||
| V3 | PVC compound for cable installation at low temperatures | ||||||||
| V4 | Ordinary PVC, crosslinked | ||||||||
| V5 | Ordinary PVC, special oil resistant | ||||||||
| Z | Crosslinked polyolefin-compound for cable with low smoke and non-corrosive gases in the case of fire | ||||||||
| Z1 | Thermoplastic polyolefin-compound for cable with low smoke and non-corrosive gas in the case of fire | ||||||||
| Z1 | Thermoplastic polyolefin-compound for cable with low smoke and non-corrosive gas in the case of fire | ||||||||
| Z2 | Crosslinked polyolefin-compound for cable with low smoke and non-corrosive gases in the case of fire for photovoltaic cable | ||||||||
| Z5 | Thermoplastic compound EVM-1 for cable with non-corrosive gases in the case of fir for EV charging cable | ||||||||
| Z6 | Crosslinked compound EVM-2 for cable with non-corrosive gases in the case of fire EV charging cable | ||||||||
| Metallic coatings: | |||||||||
| C | Concentric copper conductor | ||||||||
| C4 | Screen of copper in the form of a braid on all the souls | ||||||||
| Special building components of a cable: | |||||||||
| D3 | Strain-bearing element consisting of one or more components (textile or metallic) placed at the centre of a round cable or distributed inside a flat cable | ||||||||
| D5 | Central heart (non-strain-bearing) | ||||||||
| Special construction of cable: | |||||||||
| No symbol | Round cable | ||||||||
| H | H Flat construction of „divisible“ cables and cores, either sheathed or non-sheathed | ||||||||
| H2 | Flat construction of „non-divisible“ cables and cords | ||||||||
| H6 | Flat cable having 3 or more cores, according to EN 50214 | ||||||||
| H7 | Cable with dual layer insulation applied by extrusion | ||||||||
| H8 | Cordon extensible | ||||||||
| Conductor material: | |||||||||
| No symbol | Copper | ||||||||
| -A | Aluminium | ||||||||
| Shape of conductor: | |||||||||
| -D | Flexible conductor of welding cables (flexibility departing from EN 60228 class 5) | ||||||||
| -E | Highly flexible conductor of welding cables (flexibility departing from EN 60228 class6) | ||||||||
| -F | Flexible conductor of a flexible cable or cord (flexibility according to EN 60228 class | ||||||||
| -H | Highly flexible conductor of a flexible cable or cord (flexibility according to EN 60228 | ||||||||
| -K | flexible conductor of a cable for fixed installations (unless otherwise specified, flexibility according to EN 60228 class 5) | ||||||||
| -R | Rigid, round conductor, stranded | ||||||||
| -U | Rigid, round conductor, solid | ||||||||
| -Y | Conductor like copper | ||||||||
CEI UNEL 36011 | |||||||||
| Symbols relating to cable communications and telecommunications: | |||||||||
| T | Symmetrical cable or cord or wire | ||||||||
| TC | Coaxial cable pairs | ||||||||
| TO | Optical cable | ||||||||
| Symbols of the type of dielectric: | |||||||||
| A | Dielectric of paper and dry air | ||||||||
| E | Dielectric polyolefin (polypropylene or polyester) compact circular | ||||||||
| E1 | Dielectric polyolefin compact + dry air or dry air + shaped polyolefin or polyolefin spacers + dry air | ||||||||
| E2 | Polyolefin dielectric cell (or expanded) | ||||||||
| E3 | Polyolefin dielectric double-layer (cell + compact) | ||||||||
| R | Dielectric polyvinyl chloride | ||||||||
| R9 | Dielectric thermoplastic polyester | ||||||||
| R4 | Dielectric polyamide | ||||||||
| M | Dielectric plastic with low emission of opaque smoke and toxic gases and corrosive | ||||||||
| Symbols for the training of each basic element and the stranding of the whole | |||||||||
| Q | Training in the fourth element | ||||||||
| D | Training element bicoppie DM | ||||||||
| G | Stranding of the whole group | ||||||||
| Symbols for screens and guards | |||||||||
| Screens | |||||||||
| H0 | Metal wire in legaspeciale | ||||||||
| H | Aluminum tape or plastic, metallic | ||||||||
| H1 | Tape or copper wire | ||||||||
| H2 | Copper braid | ||||||||
| H3 | Double braided copper | ||||||||
| Protections | |||||||||
| T | Buffering or plugging mixture of continuous | ||||||||
| H4 | Steel strip longitudinal edge overlap corrugated | ||||||||
| H5 | Clad aluminum tape longitudinal welded to the sheath overlying bordisovrapposti | ||||||||
| H6 | Steel tape longitudinal welded and corrugated | ||||||||
| H7 | Copper tape longitudinally corrugated hard edges | ||||||||
| H8 | Copper tape longitudinal welded | ||||||||
| H9 | Plated steel strip longitudinal edges overlapped and sealed to the corrugated sheath above | ||||||||
| H10 | Plated copper tape overlapped longitudinal edges welded to the sheath above | ||||||||
| H11 | Clad aluminum tape longitudinal edges overlapped and corrugated welded sheath gives the above | ||||||||
| H12 | Plated copper tape longitudinal edges overlapped and corrugated welded sheath gives the above | ||||||||
| N | Rolled steel strips | ||||||||
| N1 | Tape wrapped dielectric | ||||||||
| F | Steel Wire | ||||||||
| F1 | Dielectric rods | ||||||||
| F2 | Braided Steel | ||||||||
| Z | Steel Strips | ||||||||
| Z1 | Dielectric strips | ||||||||
| J | Wrapping with jute preimpiegnata substances anti-rotting | ||||||||
| J1 | Binding of synthetic yarn | ||||||||
| K | Aramid yarns | ||||||||
| K1 | Aramid yarn towel | ||||||||
| V | Glass yarns | ||||||||
| V1 | Glass yarns buffered | ||||||||
| W | Aramid and glass yarn | ||||||||
| W1 | Fialti aramid and glass towel | ||||||||
| L | Lead alloy pipe | ||||||||
| A | Extruded aluminum tube with a smooth surface | ||||||||
| A1 | Extruded aluminum tube corrugated surface | ||||||||
| A5 | Welded aluminum tube with a smooth surface | ||||||||
| A6 | Aluminum tube welded corrugated surface | ||||||||
| E | Polyethylene sheath | ||||||||
| P | Polyurethane sheath | ||||||||
| M | Plastic sheath with low emission of opaque smoke and toxic gases and corrosive | ||||||||
| R | Sheath of polyvinyl chloride | ||||||||
| R4 | Sheath of polyamide | ||||||||
| Symbols of special features: | |||||||||
| X | Symbol indicative of the entire cable or special features of its own merit | ||||||||
| Y | Conductor similfilo | ||||||||
| B | Bipolar cable round | ||||||||
| F | Flat cable | ||||||||
| D | Ribbon cable divisible | ||||||||
| Z | Zip cables (two units each) | ||||||||
| S | Self-supporting cable round | ||||||||
| S8 | Self-supporting cable with built-in cable | ||||||||
OTHER EUROPEAN TYPES | |||||||||
| Flexibility of the conductors: | |||||||||
| Li | Flexible conductor. | ||||||||
| f | Very flexible conductor. | ||||||||
| re | Solid conductor copper wire only. | ||||||||
| rm | Semi-conductor. | ||||||||
| rf | Flexible conductor. | ||||||||
| Armour: | |||||||||
| Q | Steel wire braid armor. | ||||||||
| S | Steel wire braid armor. | ||||||||
| swa | Steel wire armouring. | ||||||||
| swb | Steel wire braid armor. | ||||||||
| sta | Steel tape armouring. | ||||||||
| R | Steel wire armouring. | ||||||||
| B | Steel tape armouring. | ||||||||
| Z | Cassette armor. | ||||||||
| Shield: | |||||||||
| C | Tinned copper braid shield. | ||||||||
| D | Spiral shield or tinned copper. | ||||||||
| ST | Aluminum tape shield. | ||||||||
| CE | Copper braid on each individual soul. | ||||||||
| Pimf | A strip of aluminum on the single pair. | ||||||||
| PiC | Pair cable with copper braid. | ||||||||
| Materials for insulation and sheath: | |||||||||
| Y | Common quality PVC. | ||||||||
| Yv | PVC thicker. | ||||||||
| Yu | PVC flame retardant | ||||||||
| Yw | PVC for t = 105 ° C. | ||||||||
| X | PVC fence. | ||||||||
| 2Y | Polyethylene. | ||||||||
| 02Y | Polyethylene foam. | ||||||||
| 2X | Crosslinked polyethylene. | ||||||||
| 4Y | Polyamide | ||||||||
| 5Y | Polytetrafluoroethylene. | ||||||||
| 9Y | Polypropylene. | ||||||||
| 11Y | Polyurethane. | ||||||||
| 12Y | Polyester elastomer. | ||||||||
| G | Rubber | ||||||||
| 2G | Silicon rubber. | ||||||||
| 3G | Gom. etilenpropilenica. | ||||||||
| 4G | Gom. etilenvinilacetato. | ||||||||
| 5G | Neoprene rubber. | ||||||||
| 6G | Chlorosulfonated rubber. | ||||||||
| H | Halogen free | ||||||||
| Installation type: | |||||||||
| A | Outdoor cable. | ||||||||
| AB | Outdoor cable with lightning protection. | ||||||||
| F | Filler buffering water resistant | ||||||||
| L | Smooth aluminum sheath | ||||||||
| J | Fixed laying cable. | ||||||||
| JE | Fixed laying cable (electronics) | ||||||||
| -J | Cable with cond. Y/G. | ||||||||
| -JZ | Y/G + cond. numbered. | ||||||||
| -O | Cable without cond. Y/G. | ||||||||
| -OZ | Cable without Y/G and c.numbered. | ||||||||
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