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Which is the live from the grey and black wires

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Hi which is the live...
Hi which is the live from the grey brown and black wires
Submitted: 2 years ago.Category: UK Plumbing
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Answered in 4 hours by:
3/8/2016
Plumber: Andrew Smith, Engineer replied 2 years ago
Andrew Smith
Andrew Smith, Engineer
Category: UK Plumbing
Satisfied Customers: 3,783
Experience: Domestic Gas, Commercial Gas, LPG, Unvented Hot Water, Part P Electrical, Commercial Catering
Verified

The grey and orange are the microswitch cables, one should be live all the time when the fused spur is on - can you check?

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