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[接上页] (a) for the purpose of supplying electricity in accordance with the Electricity Ordinance (Cap 406); (16 of 1990 s. 62) (b) for the purpose of moving railway locomotives, trains, rolling stock and vessels which are used for the traffic of the railway under the authority of the Kowloon-Canton Railway Corporation Ordinance (Cap 372); (See Cap 99 1981 Ed.) (13 of 1995 s. 2) (c) for the purpose of moving cars or trucks upon a tramway under the authority of the Tramway Ordinance (Cap 107); (d) for the purpose of drawing or propelling carriages, cars or trucks upon a tramway under the authority of the Peak Tramway Ordinance (Cap 265); or (e) for the purpose of running locomotives, trains, carriages, trucks or any other conveyance upon a railway under the authority of the Mass Transit Railway Ordinance (Cap 556). (13 of 2000 s. 65)(3) The following regulations shall not apply in respect of electrical apparatus in an industrial undertaking where the voltage of such apparatus does not exceed extra low voltage- (a) regulation 6, which relates to the insulation and protection of conductors; (b) regulation 7, which relates to the construction of switches, circuit breakers, fuse-switches and isolating links; (c) regulation 10, which relates to the isolation of voltage from parts of a system; (d) regulation 11, which relates to the use of single-pole switches with one conductor earthed; (e) regulation 12, which relates to the means of isolating voltage in special circumstances; (f) regulation 16, which relates to the enclosure of bare conductors on switchboards; (g) regulation 17, which relates to the location of switchboard apparatus; (h) regulation 18, which relates to the precautions to be taken against metal becoming live; (i) regulation 19, which relates to the precautions to be taken when persons are working on apparatus; (j) regulation 20, which relates to the provision, supply and use of fixed insulating stands and screens; (k) regulation 21, which relates to the provision, supply and use of portable insulating stands, screens, boots and gloves; (l) regulation 22, which relates to the provision of working space for and means of access to apparatus; (m) regulation 23, which relates to the lighting of apparatus; (n) regulation 26, which relates to the carrying out of work requiring technical knowledge or practical experience, by authorized or competent persons; (o) regulation 27, which relates to the display of a notice advising the standard treatment for persons receiving electric shock; (p) regulation 28, which relates to the construction of substations; and (q) regulation 29, which relates to the control of and the restrictions on entry to substations. Cap 59W reg 4 Modification of requirements by Commissioner (1) Where the Commissioner is satisfied that strict compliance with all or any of these regulations is, in any particular circumstances, not necessary for the prevention of electrical hazard, he may, by certificate in writing under his hand, modify any such requirements if he is satisfied that reasonable freedom from electrical hazard can otherwise be secured or that no increase in electrical hazard will result. (2) In granting such modification the Commissioner shall specify any special work or requirement he considers necessary to ensure reasonable freedom from electrical hazard. (3) The Commissioner may, by certificate in writing under his hand, rescind any modification if he is satisfied that the electrical hazard has thereby been unduly increased. Cap 59W reg 5 Construction and usage of apparatus PART II GENERAL SAFETY REQUIREMENTS (1) All apparatus and conductors shall be sufficient in size and capacity for the work they are called upon to do and for the purposes for which the supply of electrical energy is to be used and shall be constructed, installed, protected and maintained so as to prevent electrical hazard. (2) All live parts of apparatus shall be protected against accidental personal contact either by the design and construction of the apparatus or by the manner of its installation. Cap 59W reg 6 Insulation and protection of conductors All live conductors, including those forming part of apparatus, shall be so insulated and further effectively protected where necessary, or so placed and safeguarded, so as to prevent electrical hazard so far as is reasonably practicable. (71 of 1989 s. 13) Cap 59W reg 7 Construction of switches, circuit breakers etc. PART III SWITCHES, CONDUCTORS AND ELECTRIC MOTORS Every switch, switch fuse, circuit breaker and isolating link shall be- (a) constructed, placed and protected so as to prevent electrical hazard; (b) constructed and adjusted accurately so as to make and maintain effectual contact; (c) provided with a handle or other suitable means of working, insulated from the system and arranged so that the person operating it is unlikely to make accidental contact with live metal; (d) constructed and installed in such manner so that when in an "off" position it cannot accidentally make contact with live metal; |