Wiring for Redring 7s shower unit

I have this shower - how would I know what wiring I have that is supporting this shower? I need to replace the unit but don't want to replace the wiring as this will be a temporary replacement until next year when I am renovating the whole set up.
Asked 8 years ago by Karen
It SHOULD have been run in 6mm cable however without seeing it I couldn't be sure

Answered 8 years ago by Anonymous

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