Is a keyswitch required for HMO emergency lighting?

Hi all,

I'm technically a 'trainee' but in a months time I will finally have all the qualifications to apply for an approved electrician jib card.

The first job I will be undertaking is getting a house up to HMO requirements, which are outside the scope of bs7671 so it's all a bit alien to me.

I know the areas I need to cover with emergency lighting, but I'm unsure as to the requirements of a key switch?

The existing lighting installation is obviously wired in two core so the key switch would do exactly the same job as the breaker.

Any advice would be most welcome.

Thanks!

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