7.0 Catenary / Electrical Power / Communication Systems

7.1 Cantenary Systems Overview 

7.1.1 Single Poles and Fixtures
7.1.2 Double Poles and Fixtures
7.1.3 Cantenary Bridges
7.1.4 Cantenary Wire
7.1.5 Pantographs

7.2  Electical Power Transmission Overview

 

7.2.1 Power Station
7.2.2 Substation Equipment
7.2.3 Transformer Yard

7.2.4 Transformer (Field)
7.2.5 Power Pole (Transformer)
7.2.6 Power Pole

 

7.3  Communication Systems Overview

7.3.1 Telephone System (Layout)
7.3.2 Telegraph System

7.3.3 Radio Systems
7.3.4 Telephone/Telegraph Poles