As a Kiwi moved to the UK I think pull cords only exist because much fo the housing here was all built in the 60s-70s and hasn't been updated since. In NZ I'd

As a Kiwi moved to the UK I think pull cords only exist because much fo the housing here was all built in the 60s-70s and hasn't been updated since. In NZ I'd never seen a pull cord until I moved to the UK. All of our electrics in bathrooms are certified for use around water there, including proper breakers/multiple RCDs etc. I think modernised UK homes that are now up to date often forgo the pull cords.