Substation and MCC lab · Level 2 of 8
Safe isolation of an MCC bucket
Level 2 of 8 in the Substation and MCC lab: a free substation and MCC exercise at Foundation level. Isolate one motor bucket the safe way: stop, open, withdraw, lock, tag, prove the tester, test dead, prove again, earth and sign the permit.
Free · no download. Your work is saved on this device. Updated 18 Oct 2026.
The brief
- Client
- Millbrook Foods
- Site
- Millbrook plant room, MCC-1
- Work order
- WO-MCC-102
- Task code
- MCC-02
- Difficulty
- Foundation
- Type of work
- Safety
Isolate one motor bucket the safe way: stop, open, withdraw, lock, tag, prove the tester, test dead, prove again, earth and sign the permit.
Skills you practise
- Safe isolation
- Lock-out and tag-out
- Prove-test-prove
- Permit to work
What the test checks
The acceptance test marks the skills this level practises.
- Safe isolation
- Lock-out and tag-out
- Prove-test-prove
- Permit to work
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
Previous: Read the single-line diagramNext: Size a motor circuit
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.