THE HONG KONG GOVERNMENT GAZETTE, AUGUST 3, 1934.
Machines.
Resistances.
Radiators and convectors.
Electric kettles, irons, etc.
Stage and platform
illumina- tion.
Battens, footlights.
etc.
80.-(1) Generators and motors shall be designed for the particular purposes for which they are required and shall be installed only in approved positions.
(2) Such machines, unless of the pipe-ventilated or flame- proof type, shall be installed in enclosures constructed of fire- resisting materials and adequately ventilated.
(3) Every such machine shall be fitted with a plate in- dicating the type, voltage, speed, capacity and, where applic- able, the frequency and number of phases.
81. (1) Resistances shall be placed only in positions. approved by the Licensing Authority, and, if required by the Licensing Authority, they shall be installed in fire-resisting enclosures which shall be ventilated to the satisfaction of the Licensing Authority. Banks of resistances shall be centralised and arranged so that each unit is readily accessible.
(2) Tracker wires shall be so installed and shielded that, in the event of breakage, slackness or other displacement, they cannot make contact with live metal.
(3) Liquid resistances shall be mounted on approved trays.
82. Radiators, convectors and other current-consuming devices shall not be installed except with the consent of the Licensing Authority in writing. If such device be installed it shall be securely fixed in position, and if liable in any circum- stances to reach a high temperature, shall be provided with a stout wire guard of close mesh, securely fixed in position and so arranged that no part of the guard is within six inches of any portion of the device which is at a high temperature. The metal framework and the guard shall be earthed.
83. Electric kettles, irons and other appliances shall be used only in positions specially approved by the Licensing Authority for the purpose. If the temperature of a non- luminous appliance be liable to exceed 212° Fah., a pilot lamp shall be installed to indicate whether the current is on or off. The pilot lamp final sub-circuit shall be separately fused on each pole.
84. In any premises at which a safety curtain is provided to the proscenium opening :---
(a) Electric light shall be the only illuminant provided for or on the stage and (where such accommodation is provided) in the stage basement, the flies, property rooms and scene stores.
(b) Apparatus shall be so fixed and arranged that they cannot in any circumstances interfere with the proper working of the safety curtain.
85.-(1) The outer cases of battens, footlights, lanterns and similar fittings shall be of hard metal of not less than No. 20 standard gauge (039 inches). If wood be used for the construction of portable lengths, it shall be teak or English oak of such thickness as may be approved by the Licensing Au- thority.
(2) Battens, lanterns and similar fittings shall be efficiently ventilated and the cases and all metalwork shall be earthed.