Kohler Electric Shower - Manual (Page 15)

15
6. A separate, permanently connected supply must be taken from the consumer
unit to the appliance through a double-pole switch, which has a minimum 3 mm
contact separation. The switch can be a ceiling mounted pull-cord type within
the shower room, or a wall mounted switch in an adjacent room.
7. DO NOT twist the individual cable cores of the live and neutral conductors, as
this will prevent them from entering the terminal block.
8. DO NOT exert strain on the terminal block.
9. DO NOT turn-on the electrical supply until the plumbing has been completed.
Plumbing and Electrical Schematic Diagram