(1) In all cases in which i t is desired to insta:1 temporary l ighting, seven day's notice shall be given to the Electrical Inspector in writ ing before i t is desired to commence the work.
(2) Wire and cables shall be adequately and firmly fixed and shall be similar to the wires already specified in these rules and in all cases w here the wires are within reach of the public they shall be efficiently protected from mechanical injury by an armour of iron or steel .
(3) All joints shall be soldered and taped if used for more than one week and if used for less than a week, the wire sha ll be soldered if larger than 7 : 20 S.W.G. or i ts equivalent, in either case, the joints in portable fi t t ing and special appliances shall be taped.
(4) All temporary work shall be immediately removed when no longer required for the purpose for which i t was installed. In the case of temporary work on the stage, al l connections to the permanent installat ion shall be removed immediately after the performance in which they are used, unless permission be obtained to the contrary.
Such special conditions as may be requisi te in each case may be attached to the consent of the Electrical Inspector to the use of temporary electric work.