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Marking and designation of cables - a guide

Marking and designation of cables - a guide
Cable (wire) grade is a letter designation (sometimes using numbers) characterizing the material of the conductive cores, insulation, degree of flexibility and design of protective covers. Each manufacturing plant indicates this special code on its products.
For better orientation in our products, we offer a short guide to cable and wire markings. The reference book offers a decoding of alphanumeric abbreviations for cables and wires.
Wires are products with conductors in insulation and winding, designed to connect a source of electric current to a consumer.
Wires and cables are available with insulation for voltages of 380, 660 and 3000 V AC, used for any possible voltage. The conductor of the insulated cable is protected by a sheath made of polyvinyl chloride (PVC), rubber or vinyl plastic. Wires and cables of some brands have a special braid on the outside of the insulation that protects against mechanical damage.
An electrical cord is a flexible insulated wire (cross-section from 0.35 to 1.5 mm2), which is used to connect household electrical appliances and radio equipment to the electrical network.
A cable is a wire with an insulating winding, located in one or more protective sheaths. The cable may contain armor (steel or wire), screen, core, filler, metal sheath, outer sheath. Each element is necessary for the cable to operate under certain environmental conditions in which it is located.
Non-flammable cable (marked LS) is often called fire-resistant cable. But flame retardant cable (cable that does not support combustion) is a group of cables designed to resist the spread of fire to a new area. Flame resistant cable, unlike non-flammable cables, is designed to maintain circuit integrity and must continue to operate for a specified period of time under certain conditions, particularly fire and open flame conditions. Without any doubt, both types of cable, non-flammable and fire-resistant, play an important role in maintaining the integrity of the environment and industrial environment during a fire and increasing the chances of human rescue and survival. It can be said that a fire-resistant cable is a more advanced version of a non-flammable cable, but not vice versa.

Decoding the markings of wires and cables made in Ukraine

Power cable with PVC and rubber insulation

• А - (first letter) Aluminum wire, in its absence - copper wire.
• АС – Aluminum core and lead sheath.
• АА – Aluminum core and aluminum sheath.
• Б – Armor made of two steel plates with an anti-corrosion protective coating.
• Бн – The same, but with a non-combustible protective coating.
• б – Without pillow.
• B – The first (in the absence of A) letter – PVC insulation.
• B – The second (in the absence of A) letter – PVC shell.
• Г - At the beginning of the designation - the cable is intended for mining, at the end of the designation - the absence of a protective coating over the armor or shell ("bare").
• г – water-blocking tapes for sealing the metal screen (at the end of the designation).
• 2г – Aluminum polymer tape on top of the sealed screen.
• Шв – Protective cover in the form of a pressed hose (sheath) made of polyvinyl chloride.
• Шп – Protective cover in the form of a pressed hose (sheath) made of polyethylene.
• ШПС – Protective cover made of pressed hose made of self-extinguishing polyethylene.
• К – Armor made of round galvanized steel wires, on top of which a protective coating is applied. If it is at the beginning of the designation, it is a control cable.
• С – Lead shell.
• О – Separate shells over each phase.
• Р – Rubber insulation.
• НР – Rubber insulation and shell made of rubber that does not support combustion.
• П – Insulation or sheath made of thermoplastic polyethylene.
• Пс – Insulation or sheath made of self-extinguishing polyethylene (which does not support combustion).
• Пв – Insulation from vulcanized polyethylene.
• ББГ – Profiled steel tape armor.
• нг – Does not support combustion.
• LS – Low Smoke — reduced smoke emission.
• нг-LS – does not support combustion, with reduced smoke emission.
• FR – with increased fire resistance (mica-containing tape is usually used as a fire-resistant material).
• FRLS – with reduced smoke emission, with increased fire resistance.
• E – is a screen made of copper wires from spirally applied copper tape.
• КГ – flexible cable.
EXAMPLE:
ВВГ - copper cable in PVC insulation, in a PVC sheath.
АВБбШв – aluminum cable in PVC insulation with armor of two steel plates with an anti-corrosion protective coating without a cushion with a protective cover in the form of a pressed hose (sheath) made of polyvinyl chloride.
КГ - flexible copper cable.
ВБбШв – copper cable in PVC insulation with armor of two steel plates with an anti-corrosion protective coating without a cushion with a protective cover in the form of a pressed hose (sheath) made of polyvinyl chloride.
КГНО – copper cable in PVC insulation, flexible in PVC sheath.
РПШ - copper cable with rubber insulation, in a polyethylene terephthalate film and in a rubber sheath.

Control cable

• А - (the first letter) an aluminum wire, in its absence - a copper wire.
• В – Second (in the absence of А) letter – PVC insulation.
• А – The third (in the absence of А) letter – PVC shell.
• П – Polyethylene insulation.
• Пс – Insulation from self-extinguishing polyethylene.
• Г – Absence of a protective covering ("bare").
• Р – Rubber insulation.
• К - the first or second (after А) letter - control cable. Except for КГ, the cable is flexible.
• Ф – Fluoroplastic insulation.
• Е - At the beginning of the designation - power cable for special mine conditions, in the middle or at the end of the designation - shielded cable.
EXAMPLE:
КВВГ - is a control copper cable in PVC insulation and in a PVC sheath.
АКВВГ – aluminum control cable in PVC insulation and in a PVC sheath.
КГВШ - is a control flexible mine copper cable in PVC insulation, with a core made of polyester threads and in a PVC sheath.

Cable with insulation from impregnated paper

• А - (the first letter) an aluminum wire, in its absence - a copper wire. If there is a wire in the middle of the designation after the material symbol, then it is an aluminum shell.
• Б – Armor made of flat steel plates.
• АБ – Aluminum armor.
• СБ – First or second (after А) letter – lead armor.
• С – Lead sheath material.
• О – Individually leaded core.
• П – Armor made of flat galvanized steel wires.
• К – Armor made of round galvanized steel wires.
• Б – Paper insulation with reduced impregnation. It is put at the end of the designation through a dash.
• б – Without pillow.
• л – The pillow includes an additional 1 mylar tape.
• 2л – The pillow includes an additional double universal tape.
• Г – Absence of a protective covering ("bare").
• н – Non-combustible outer covering.
• ШВ – Outer cover in the form of a pressed hose (sheath) made of polyvinyl chloride.
• ШП – Outer cover in the form of a pressed hose (sheath) made of polyethylene.
• ШВПГ – Outer cover from a pressed hose made of low-flammability polyvinyl chloride.
• (ож) – Cables with single-wire cores. It is placed at the end of the designation.
• У – Paper insulation with increased heating temperature. It is placed at the end of the designation.
• Ц – Paper insulation impregnated with a non-draining compound. A designation is placed in front.
EXAMPLE:
ААБл - is an aluminum cable with insulation from impregnated paper, armor from two steel plates in an aluminum sheath.
АСБл - is an aluminum cable with insulation from impregnated paper, armor from two steel plates in a lead sheath.
ААШв - is an aluminum cable with insulation made of impregnated paper, in an aluminum sheath and a hose made of polyvinyl chloride.

Telephone cable

• Т – Telephone cable.
• П – Insulation material: polyethylene.
• п – Belt insulation – polyamide, polyethylene, polyvinyl chloride or polyethylene terephthalate tapes.
• Е – Screen.
• П – Shell material: polyethylene.
• З – Hydrophobic aggregate.
• Шп – Outer cover made of polyethylene hose.
• З – Station cable.
Decoding of some special abbreviations
• КСПВ – Cables for transmission systems in a vinyl sheath.
• КПСВВ – Fire alarm cables, with vinyl insulation, in a vinyl sheath.
• КПСВЕВ – Fire alarm cables, with vinyl insulation, with a screen, in a vinyl jacket.
• ПНСВ – Heating wire, steel core, vinyl sheath.
• ПВ-1, ПВ-3 – Wire with vinyl insulation. 1, 3 – class of flexibility of the core.
• ПВС – Connecting wire in a vinyl sheath.
• ШВВП – Cable with vinyl insulation, in a vinyl sheath, flat.
• ПУНП – Universal flat wire.
• ПУГНП – Universal flat flexible wire.

Hanging wires

• А – Aluminum bare wire.
• АС – aluminum-steel bare wire.
• СІП - Self-supporting insulated wire.
• нг – non-flammable.
• нгнд – non-flammable, non-smoking
 EXAMPLE:
СІП-4 is a self-supporting wire with aluminum phase conductors, insulated with thermoplastic light-stabilized polyethylene.
СІП5-нг is a self-supporting wire with aluminum conductors, with insulation made of thermoplastic light-stabilized cross-linked polyethylene, which does not support combustion.

Mounting wires

• М – Mounting wire (at the beginning of the designation).
• Г - multi-wire core (the absence of a letter indicates that the core is single-wire).
• Ш – Polyamide silk insulation.
• Ц – Film insulation.
• В – Polyvinyl chloride insulation.
• К – Kapron insulation.
• Л – Varnished.
• С – Fiberglass winding and braiding.
• Д – Double weaving.
• О – Covering made of polyamide silk.
• Е – Shielded.
• МЕ – Enamelled.
EXAMPLE:
РКГМ - is a copper wire with rubber insulation and braided with heat-resistant fiberglass.
МГ - flexible copper wire without insulation.

Power, installation wires and cords are connected

• А - (the first letter) an aluminum wire, in its absence - a copper wire. П (or Ш) – The second letter, denotes a wire or cord.
• Р – Rubber insulation.
• В – Polyvinyl chloride insulation.
• П – Polyethylene insulation.
• Н – Insulation from nairite rubber.
EXAMPLE:
АПВ is an aluminum power wire with polyvinyl chloride insulation.
ПВС is a copper power wire with insulation and sheath made of polyvinyl chloride.
ВПП is a copper wire with insulation and a polyethylene sheath.

Deciphering abbreviations of foreign cable, wire

Power cable

• N - according to VDE
• Y – PVC
• H – halogen-free PVC
• M – mounting cable
• C – copper screen
• RG – armor

Twisted pair data cable

• U – unfoiled
• F – foiled
• S – screened (shielded with copper wires)
• S-F – general foil screen + general woven screen
• S-S – foil screen of each pair + common braided screen
• TP – twisted pair
• SAT - from English satellite - cable for satellite television

Telephone cable and fire alarm cable

• J – installation, installation cable
• Y – PVC
• (St) – foil screen

Halogen-free fire-resistant cable

• N – according to VDE
• HX – stitched rubber
• C – copper screen
• FE 180 – the cable retains its properties for a certain time (in this case 180 minutes) in an open flame, under voltage

Installation wire

• H – harmonized wire (HAR approval)
• N – compliance with the national standard
• 05 – nominal voltage 300/500 V
• 07 – nominal voltage 450/750 V
• V – PVC insulation
• K – flexible core for stationary installation

Cables with cross-linked polyethylene insulation

• N - according to VDE
• Y – PVC
• 2Y – polyethylene
• 2X – cross-linked polyethylene
• S – copper screen
• (F) – longitudinal sealing
• (FL) – longitudinal and transverse sealing
• E – three-core cable
• R – armor made of round steel wires
• J – the presence of a yellow-green wire
• O – absence of a yellow-green wire

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