Cable for signalling and interlocking, not spreading combustion, with single-wire TPZ, in armour made of glass twist, with insul Cable for signalling and interlocking, not spreading combustion, with single-wire TPZ, in armour made of glass twist, with insul Cable for signalling and interlocking, not spreading combustion, with single-wire TPZ, in armour made of glass twist, with insul Cable for signalling and interlocking, not spreading combustion, with single-wire TPZ, in armour made of glass twist, with insul Cable for signalling and interlocking, not spreading combustion, with single-wire TPZ, in armour made of glass twist, with insul Cable for signalling and interlocking, not spreading combustion, with single-wire TPZ, in armour made of glass twist, with insul Cable for signalling and interlocking, not spreading combustion, with single-wire TPZ, in armour made of glass twist, with insul Cable for signalling and interlocking, non-combustible, with single-wire conductors, in glass-tube armour, insulated and with pr Cable for signalling and interlocking, not spreading combustion, with single-wire TPZ, in armour made of glass twist, with insul Cable for signalling and interlocking, not spreading combustion, with single-wire TPZ, in armour made of glass twist, with insul