Electrical cable is an assembly of one or more electrical condustor, usually held together with an overall sheath. The assembly is used for transmission electrical power. Electrical cable may be installed as permanent wiring wiithin buildings, buried in the ground, run overhead, or exposed.

According  to Standards SPLN, SNI and DIN 57271 NDE Specification 0271, the cables have the designation as followed:

N :

Mark of being in accordance with the standard

no mark : 

Copper Conductor

A :

Aluminium Conductor

Y :

Polyvinyl Chloride (PVC) insulaHon

M :

PVC outer sheath for indoor cable

Y :

PVC outer sheath for outdoor cable

2x :

Cross-linked Polyethylene insulation

F :

Armour : made of galvanized flat steel wires

F :

Over-head line

R :

Armour : made of galvanized round steel wires

Gb :

Overlapped with galvanized steel strip in counterhelix

B :

Double tape steel  armour

H :

Cable for movable appliances


Circular shaped conductor

S :

Sector shaped conductor

e :

Single-wire (solid) conductor

m :

Multi - wire (stranded) conductor


Designation of cable containing green/yellow neutral conductor

O :

Designation of cable without green/yellow conductor