[So there are no mixed messages here, Reg 134.1.1 states ......electrical equipment shall be installed in accordance with the instructions provided by the manufacturer of the equipment.
Thanks for the clear guidance. I will check with the manufacturer.
Researching on the internet, I have been getting mixed messages. The cabinet concerned is:
http://www.croydex.com/products/377-thames-illuminated-cabinet.aspx
I would be very grateful for an explanation of why it can't be installed in Zone 2 (in addition to what is stated on the web site)...