ITC-100 Intercom Cable Wire Gauge and Conductors
 
The ITC-100 intercom cable utilizes 5 conductors and a foil shield. We should also note Datavideo offers pre-made cables in a variety of lengths.  
Here are the available options:  CB-3  (20 Meters or 65ft), CB-4 (50 Meters or 164ft)
 
Q:  What is the equivalent wire gauge size for the ITC-100 intercom cable?
A:  The ITC-100 intercom cable uses a 20 gauge wire.
Q:  How many conductors are needed to build my own ITC-100 cable?
A:  5 conductors and a foil shield, 3 of the conductors are designated for communication and 2 conductors transmit tally.