Queensland Consolidated Regulations Queensland Consolidated Regulations(1) Supply of electricity by an electricity entity to a customer must be maintained at the standard voltage mentioned in section 11 or 12.
(2) Electricity is taken to be maintained at the standard voltage if the voltage at a customer's consumers terminals is within the allowable margin for the voltage.
(3) The allowable margin is--
(a) for low voltage--6% more or less than the standard voltage; or
(b) for high voltage of 22000V or less--5% more or less than the standard voltage; or
(c) for high voltage more than 22000V--the margin agreed between the electricity entity and the customer.