Electricity (Inspection). [Ch. 30. No. 16. notice (if any) to be given in relation to inspections and the preparations to be made by the licensees and the management for such inspections; (c) the design, construction, protection and main- tenance of installations and apparatus, the conditions under which any installation or apparatus shall be worked or operated and the prohibition of the use of dangerous apparatus; (d@) the means which may be employed (to the exclusion of other means) for the generation, trans- mission, transformation, distribution and application of energy; (ec) the manner in which energy shall be measured and in which it is permitted to be, or is prohibited from being, supplied or used; (f) the standards to be adopted for measurement of dimensions of installations and apparatus; (g) the regulation and variation of the nature, pressure and periodicity of the energy supplied; (k) the class or design, or classes or designs, of wires, fittings and apparatus to be used by consumers and the manner in which they shall be fixed, arranged, pro- tected and controlled and providing for the erection, inspection, testing and maintenance thereof; (1) the fees to be paid for the inspection of installa- tions and apparatus, the form and contents of and the conditions to be implied in licences, the form and duration of certificates and the suspension, extension and revocation of licences and certificates; (7) the measures to be taken and the fittings to be supplied and used in connection with installations in order to secure public safety and private safety; (k) the manner of effecting alterations to installa- tions in operation; (/) the precautions to be taken on the relief of persons in control of apparatus and the manner of notifying to Inspectors the names and qualifications of persons placed in charge of installations and in control of the operation of apparatus ; 309