| Section
| Date
| Issue
| Size
| Title
|
| 623-000-000 | 1980-11-01 | 12 | 95.37 KB | Numerical Index - Division 623 - Open Wire |
| 623-000-000PT X1 | 1979-11-01 | H | 49.50 KB | Pacific Tel. Numerical Index - Division 623 - Open Wire |
| 623-104-010 | 1968-03-01 | 1 | 175.86 KB | Open Wire - Grounding Nonworking Wire |
| 623-190-200 | 1968-03-01 | 1 | 1.34 MB | Open Wire - 104-Type Protector |
| 623-190-220 | 1968-07-01 | 1 | 521.30 KB | Short-Circuiting Relay Protectors - Testing |
| 623-195-205 | 1968-06-01 | 1 | 1021.30 KB | Open Wire - 116-Type Protectors |
| 623-200-215 | 1969-12-01 | 1 | 450.21 KB | Open Wire - Installation of RS Copper Sleeves |
| 623-300-201 | 1953-01-01 | 1 | 212.28 KB | Open Wire - Bridling Runs |
| 623-300-201 | 1975-07-01 | 2 | 266.48 KB | Open Wire - Bridling Runs |
| 623-300-202 | 1955-08-01 | 2 | 202.39 KB | Open Wire - Bridling to Line Wire |