Substation and MCC lab · Level 1 of 8
Read the single-line diagram
Level 1 of 8 in the Substation and MCC lab: a free substation and MCC exercise at Foundation level. Walk a small 11/0.415 kV substation and its MCC on the single-line diagram. Name every device and its rating.
Free · no download. Your work is saved on this device. Updated 18 Oct 2026.
The brief
- Client
- Brackenfield Utilities
- Site
- Brackenfield pumping station, substation 1
- Work order
- WO-MCC-101
- Task code
- MCC-01
- Difficulty
- Foundation
- Type of work
- Reading drawings
Walk a small 11/0.415 kV substation and its MCC on the single-line diagram. Name every device and its rating.
Skills you practise
- Single-line diagrams
- IEC 60617 symbols
- IEC 81346 reference designations
- Equipment ratings
What the test checks
The acceptance test marks the skills this level practises.
- Single-line diagrams
- IEC 60617 symbols
- IEC 81346 reference designations
- Equipment ratings
In this lab
- Safe isolation: lock, tag, prove, test, earth
- Cables, breakers, relays and fault levels
- A 3D switchroom and transformer bay
Levels in the Substation and MCC lab
Part of the Substation and MCC lab
Walk a small substation, isolate a motor bucket safely, grade a relay and fault-find a motor control centre.
About the Substation and MCC lab
Feeds these internships: Control Panel Design and Wiring, Commissioning and Maintenance, Electrical Design.