Bell System Practices AC1 Reference page 5

Fig. 5-H4DB Handset Cord
Fig. 6-Removing Number Plate Retainer
The AC1 base may be mounted directly to
3.03
a firm vertical surface. If necessary, use a
155-type adapter or 182-type backboard.
appropriate section in Division 463 for additional
information on adapters and backboards.
SSP 502·303·101-i03_1972-09-05.jpg Scanned by Frank Harrell, (Cowboy Frank) Castle Rock, Colorado Jan 31,2012 21:49:07
Fig. 7-220A Hand Telephone Set in Waiting Position
on ACI Telephone Base
When inside wire to the AC1 (wall) telephone
3.04
base is exposed, terminate the line and
transformer wiring at a common bridging point,
such as a 42A connecting block.
station wire from the connecting block to the
telephone base. Wiring may enter from the opening
at the bottom, top, or through the backplate.
Refer to
In cases where an inside wire is already in
3.05
place through a wall, an exposed wire run
ISS 3, SECTION 502-303-101
Run one quad
Page 5