How to wire in a shower CU

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Cab anyone give me a steer please on wiring in a shower CU?
I've got a 63A RCD and a 45A MCB. The RCD has got 2 terminals at the top marked 1 and N and 2 at the bottom marked 2 and N. There is a copper 'bridge' from the bottom T2 on the RCD to the bottom terminal on the MCB alongside it.
Logic tells me to connect the Live tail from the Henley block to the T1 terminal on the RCD and the Neutral tail from the Henley block to the N terminal on the top of the RCD. The live supply to the shower then goes from the bottom terminal on the MCB but where does the neutral from the shower go?
Advice gratefully received.
Cheers
Steve
 
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The Shower Neutral goes to the Neutral OUTPUT terminal on the main RCD - I think you should call in a qualified electrician to do this, as you seem in doubt - a badly wired shower circuit can kill quite readily.
 
Cheers Kai and thanks for your safety advice, I didn't want to make any assumptions but I recognise it would probably maker sense to have a professional come in and check it.
 

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