Number of conductors cable

Number of conductor cores of equal size.

Four-core cables contain three active phases plus either neutral (N), ground (PE) or ground/neutral (PEN) wire.
Five-core cables contain a neutral (N) plus a separate ground (PE) wire.

Symbol
$n_c$
Choices
NbType
1single-core cable
2two-core cable
3three-core cable
4four-core cable
5five-core cable