scope:

Scope.

This specification covers plastic insulated, plastic jacketed, telephone switchboard cables consisting of number 22 AWG conductors in combinations of pairs and singles ranging from 4 pairs to 201 pairs (see X1.2X). Not recommended for shipboard or aerospace applications due to toxic smoke release in the event of a fire. PVC is not recommended in other applications (i.e. confined spaces, low ventilation) where there is the potential for human smoke exposure in a fire.

intended Use:

The switchboard cable covered by this specification is intended for use indoors for interconnecting multiple appearances of circuits on military switchboards with the distributing frame.