- 12-S Incoming Outgoing Cubicle with Load Break Switch (LBS)
- 12-F Transformer Protection Cubicle with Fuse and Load Break Switch (LBS)
- 12-B Transformer Protection Cubicle with Disconnector and Circuit Breaker (CB)
- 12-OTOP Auto-Producer Cubicle with Circuit Breaker (CB)
- 12-McvL Current and Voltage Metering Cubicle with Load Break Switch (LBS)
- 12-Mvi Auxiliary Transformer Cubicle with Disconnector
- 12-Mv Voltage Metering Cubicle with Disconnector
- 12-CB Busbar Connection Cubicle with Two Disconnectors and Circuit Breaker (CB)
- 12-CR Cable Connection Cubicle
- 12-DB Busbar Compartment Cubicle with Circuit Breaker (CB)
- 12-DS Busbar Compartment Cubicle with Load Break Switch (LBS)