The regs on supp bonding in section 701 don't mention zones anymore;
Local supplementary equipotential bonding according to reg 415.2 shall be established connecting together the terminals of the protective conductor of each circuit supplying Class I and Class II equipment to the accessable extraneous conductive parts, within a room containing a bath or shower, including the following:
It then gives some examples of extraneous conductive parts, then goes on to say the conditions for omitting supp bonding.
Local supplementary equipotential bonding according to reg 415.2 shall be established connecting together the terminals of the protective conductor of each circuit supplying Class I and Class II equipment to the accessable extraneous conductive parts, within a room containing a bath or shower, including the following:
It then gives some examples of extraneous conductive parts, then goes on to say the conditions for omitting supp bonding.