WD-1 One mile of Field Telephone Wire WD-1/TT two twisted, individually
insulated. Also good for 70 volt line PA systems. Four
tinned-copper strands and three galvanized-steel strands. Intended
for use with EE-8, TA-43, TA-312 and similar field phones. 1 mile of
wire on a spool, 53 lbs sh.