| (2) | No employee shall be employed in more than one occupation defined in this Agreement at different rates of pay, in any one week, including any overtime worked, or in a higher-paid occupation, unless payment is made as if such employee had been employed for the whole of that week in the highest-paid occupation: Provided that if an employee who normally performs the work of an electrical assistant performs the work of a driver, such employee shall be paid at the higher rates only in respect of time actually engaged in such occupation, except that if such electrical assistant performs the work of a driver for more than three hours in any one day, he shall be paid at the higher rates for the whole of such day. |