IMSA Traffic Signal Spec 20-4

Polyethylene-insulated, Polyethylene-Bleted, Copper Shielded, Polyethylene-Jacketed Signal Cable

Description

Spec Rating	Voltage Rating	Applications	Installations	Conductor Configuration	Mechanical Characteristics
20-2	600	Traffic Signal – Fire Protective Signal	Aerial or Duct	Twisted Pairs	Shielded, PE Outer Jacket
20-3	600	Traffic Signal – Fire Protective Signal	Figure-8 Aerial, Integral Msgr.	Cabled Conductors	PE Outer Jacket
20-4	600	Traffic Signal – Fire Protective Signal	Figure-8 Aerial, Integral Msgr.	Twisted Pairs	Shielded, PE Outer Jacket
20-5	600	Traffic Signal – Fire Protective Signal	Aerial, Duct or Buried	Cabled Conductors	Shielded, PE Inner and Outer Jacket
20-6	600	Traffic Signal – Fire Protective Signal	Aerial, Duct or Buried	Twisted Pairs	Shielded, PE Inner and Outer Jacket