Technical Sheet - Cables Initials

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)
R5M
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 20-27

Reference to standards:
N
Another type of domestic cable
H
Cable conforming to harmonized standards
A
Nationally recognized cable type listed in the additions to the harmonized standards
Rated Voltage Uo/U:
01 100/100 V
03 300/300V
05 300/500V
07 450/750V
1 0,6/kV
Insulating and sheathing materials for non-metallic:
B
Ethylene-propylene rubber for a continuous operating temperature of 60 °C
G
Ethylene-vinileacetato
J
Braided glass fiber
M Mineral
N
Polychloroprene (or equivalent)
N2
Special compound of polychloroprene
N4
Chlorosulfonated polyethylene or chlorinated polyethylene
N8
Special compound of polychloroprene
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 an operating temperature of 90 °C
V3
PVC compound for cable installation at low temperatures
V4
PVC fence
V5
Special oil-resistant PVC compound
Z
Crosslinked polyolefin-based compound that in case of combustion emits a small amount of smoke and toxic gases, corrosive
Z1
Thermoplastic Polyolefin based on combustion which emits a low amount of toxic fumes and corrosive gases
Metallic coatings:
C
Concentric copper conductor
C4
Screen of copper in the form of a braid on all the souls
C5
Copper braid shield over individual souls
C7
Screen ribbons or strips of copper wire
A7
Aluminum shield
Armour:
Z2
Steel wire armouring
Z3
Armor steel strips
Z4
Armor steel tape
Z5
Braided steel wire
Special building components of a cable:
No symbol
Round cable
H
Not divisible flat cables with or without sheath
H2
Not divisible flat cables
H6
Flat cable with three or more cores in accordance with rules HD 359 or 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 for use in arc welding cables according to HD 22 Part 6 (Class 5 flexible than the standard HD 383)
-E
Very flexible conductor cables for use in arc welding according to HD 22 Part 6 (class 6 flexible than the standard HD 383)
-F
Flexible conductor of a flexible cable (flexibility class 5 according to the HD 383)
-H
Very flexible conductor of a flexible cable (flexible according to class 6 standard HD 383)
-K
Flexible conductor cable for fixed installation (unless otherwise specified in accordance with the Class 5 flassibilità the HD 383)
-R
Rigid conductor round cord
-U
Solid conductor wire round one
-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
Screen
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
Ethylene-propylene rubber.
4G
Rubber 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.numerati.