IMSA
SPEC
NO.
RATING APPLICATIONS INSTALLATION CONDUCTOR CONFIGURATION MECHANICAL CHARACTERISTICS
19-1 600V Traffic Signal,
Fire Protective Signal
Aerial or Duct Cabled Conductors PVC Outer Jacket
19-2 600V Traffic Signal,
Fire Protective Signal
Aerial or Duct Twisted Pairs Shielded,
PVC Outer Jacket
19-3 600V Traffic Signal,
Fire Protective Signal
Figure-8 Aerial,
Integral Msgr.
Cabled Conductors PVC Outer Jacket
19-4 600V Traffic Signal,
Fire Protective Signal
Figure-8 Aerial,
Integral Msgr.
Twisted Pairs Shielded,
PVC Outer Jacket
19-5 600V Traffic Signal,
Fire Protective Signal
Aerial, Duct,
or Buried
Cabled Conductors Shielded,
PE Inner &
PVC Outer Jackets
19-6 600V Traffic Signal,
Fire Protective Signal
Aerial, Duct,
or Buried
Twisted Pairs Shielded,
PE Inner &
PVC Outer Jackets
19-2 600V Traffic Signal,
Fire Protective Signal
Aerial or Duct Cabled Conductors PE Outer Jacket
19-3 600V Traffic Signal,
Fire Protective Signal
Aerial or Duct Twisted Pairs Shielded,
PE Outer Jacket
19-4 600V Traffic Signal,
Fire Protective Signal
Figure-8 Aerial,
Integral Msgr.
Cabled Conductors PE Outer Jacket
19-5 600V Traffic Signal,
Fire Protective Signal
Figure-8 Aerial,
Integral Msgr.
Twisted Pairs Shielded,
PE Outer Jacket
19-6 600V Traffic Signal,
Fire Protective Signal
Aerial, Duct or Buried Cabled Conductors Shielded,
PE Inner &
PVC Outer Jackets
20-6 600V Traffic Signal,
Fire Protective Signal
Aerial, Duct or Buried Twisted Pairs Shielded,
PE Inner &
PVC Outer Jackets
26-3 - Signal Systems Aerial Self-Supporting Single Hard-Drawn
Copper Conductor
HDPE Insulation
28-3 - Signal Systems Aerial Self-Supporting Single Copper-Covered
Steel Conductor
HDPE Insulation
29-1 - Signal Systems Aerial Self-Supporting "C" Line Wire (Parallel)
Two Hard-Drawn Copper
Conductors
HDPE Insulation
28-3 - Signal Systems Aerial Self-Supporting "C" Line Wire (Parallel)
Two Copper-Covered
Steel Conductors
HDPE Insulation
29-3 - Signal Systems Aerial Self-Supporting "C" Line Wire (Parallel)
Two Hard-Drawn Copper
Conductors
HDPE Insulation
PVC Outer Jacket
29-4 - Signal Systems Aerial Self-Supporting "C" Line Wire (Parallel)
Two Copper-Covered
Steel Conductors
HDPE Insulation
PVC Outer Jacket
39-2 300 Fire Protective Signal,
Traffic Communications,
Data Acquisition
Aerial, Duct, or
Building Raceway
Twisted Pairs Shielded,
PVC Outer Jacket
39-4 300 Traffic Communications,
Data Acquisition
Figure-8 Aerial,
Integral Msgr.
Twisted Pairs Shielded,
PVC Outer Jacket
39-6 300 Fire Protective Signal,
Traffic Communications,
Data Acquisition
Aerial, Duct, or
Building Raceway
Twisted Pairs Shielded,
PE Inner &
PVC Outer Jackets
40-2 300 Fire Protective Signal,
Traffic Communications,
Data Acquisition
Aerial, Duct, or
Building Raceway
Twisted Pairs Shielded,
PE Outer Jacket
40-4 300 Traffic Communications,
Data Acquisition
Figure-8 Aerial,
Integral Msgr.
Twisted Pairs Shielded,
PE Outer Jacket
40-6 300 Fire Protective Signal,
Traffic Communications,
Data Acquisition
Aerial, Duct, Buried,
 or Building Raceway
Twisted Pairs Shielded,
PE Inner &
Outer Jackets
50-2 600V Signal Loop Detector
Lead-In Feeder
Duct or Buried Twisted Pair PE Insulation,
PE Outer Jacket
50-2 600V Inductance
Loop Detector
Duct Single Conductor PVC/Nylon Insulation
51-3 600V Inductance
Loop Detector
Duct or Buried Single Conductor Cross Linked PE Insulation
51-5 600V Inductance
Loop Detector
Duct or Buried Single Conductor PVC/Nylon Insulation
in PVC or PE Tube
51-7 600V Inductance
Loop Detector
Duct or Buried Single Conductor Cross Linked PE Insulation
in PVC or PE Tube
59-2 300 Fire Protective Signal
Traffic Communications
Data Acquisition
Aerial or Duct Twisted Pairs Filled Core,
Shielded,
PVC Outer Jacket
59-4 300 Traffic Communications,
Data Acquisition
Figure-8 Aerial,
Integral Msgr.
Twisted Pairs Filled Core,
Shielded,
PVC Outer Jacket
59-6 300 Fire Protective Signal
Traffic Communications
Data Acquisition
Aerial, Duct,
or Buried
Twisted Pairs Filled Core,
Shielded,
PE Inner Jacket,
PVC Outer Jacket
60-2 300 Fire Protective Signal,
Traffic Communications,
Data Acquisition
Aerial or Duct Twisted Pairs Filled Core,
Shielded,
PE Outer Jacket
60-4 300 Traffic Communications,
Data Acquisition
Figure-8 Aerial,
Integral Msgr.
Twisted Pairs Filled Core,
Shielded,
PE Outer Jacket
60-6 300 Fire Protective Signal,
Traffic Communications,
Data Acquisition
Aerial, Duct,
or Buried
Twisted Pairs Filled Core,
Shielded,
PE Inner & Outer Jackets
70-1 - Traffic Communications Aerial, Duct,
or Buried
2 to 72 fibers All Dielectric
70-5 - Traffic Communications Duct or Buried 2 to 72 fibers Armored