code of practice of electrical safety for work on or near high voltage

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Access <strong>for</strong> Work on or Near High Voltage ElectricalApparatus9.7.4.5 When it is not practicable to earth metalcladcircuits a risk assessment shall be conductedto determine the special precautions, includingdischarging, to ensure that the conductors can beregarded as being at earth potential.9.7.5 Rotating High Voltage MachinesA rotating machine, or circuits connected to it, shallnot be regarded as safe <strong>for</strong> the issue <strong>of</strong> an <strong>electrical</strong>access permit while the machine is revolvingunless it is on turning gear with earths applied.These earths may be removed during the currency<strong>of</strong> an <strong>electrical</strong> access permit in accordance withClause 8.3.9.8 WORKING ON INSULATED POWER ORSUPERVISORY CABLES9.8.1 On-site identification <strong>of</strong> Insulated Cables(including out-<strong>of</strong> –commission orabandoned cables)Where it is necessary <strong>for</strong> a cable to be deenergisedto enable access to the cable, the deenergisedstate should be confirmed on site bypositive identification or visually tracing it from oneend or by the use <strong>of</strong> a spiking device.Page 108 <strong>of</strong> 148 Blue Book – December 2005
Access <strong>for</strong> Work on or Near High Voltage ElectricalApparatus9.8.2 Spiking <strong>of</strong> CablesA Spiking device may be used to confirm that acable is de energised.When a cable is to be spiked by a power operatedspiking device, the following measures shall betaken:• Where practical the <strong>electrical</strong> condition <strong>of</strong> theremote ends <strong>of</strong> the cable shall be confirmedas isolated and earthed.• The person in charge <strong>of</strong> the <strong>work</strong> shallpersonally select the cable to be spiked aftercareful reference to the appropriate recordsand use <strong>of</strong> cable tracers where necessary.• An approved cable spiking device shall beused by a person trained in its use and inaccordance with Organisational Procedures.Prior to spiking the operating authority shall beadvised. The operating authority shall prevent theenergising or re-energising <strong>of</strong> any cable in thevicinity <strong>of</strong> the proposed <strong>work</strong>s until advised thatspiking has been completed.Blue Book – December 2005 Page 109 <strong>of</strong> 148
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ELECTRICAL SAFETY COMMITTEEMEMBERSH
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the requirements of</strong
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ContentsPAGE4 TRAINING AND AUTHORIS
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ContentsPAGE8.5 High Voltage Metal-
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ContentsPAGEClearance to Place Elec
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Definitions3 ‘Appliance’ means
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Definitionsallow work</stro
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concerned.Definitions22 ‘High vol
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DefinitionsHelicopters used <strong
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Definitions43 ‘Practicable’ mea
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Definitions54 ‘Tester in Charge
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ScopeThis Code sets a minimum stand
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General Safety Requirements3.2 FIRS
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times.General Safety Requirements3.
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General Safety Requirements3.10 TAP
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General Safety Requirements3.13 WOR
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General Safety RequirementsThe pers
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Training and Authorisation4 TRAININ
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Training and Authorisation• Knowl
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Work in the Vicinity of</st
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Approach To Electrical Apparatus6 A
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Approach To Electrical Apparatus‘
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Approach To Electrical ApparatusTab
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Approach To Electrical ApparatusThe
Page 59 and 60: Approach to Electrical ApparatusTab
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Page 67 and 68: Approach To Electrical Apparatus6.6
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Page 71 and 72: Operation of High
Page 73 and 74: Earthing of High V
Page 79 and 80: Access for Work on
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Page 109: Access for Work on
Page 113 and 114: Placing High Voltage Electrical App
Page 115 and 116: Low Voltage Network</strong
Page 117 and 118: Low Voltage Network</strong
Page 119 and 120: Work by Persons Not Under the Contr
Page 121 and 122: AppendixAPPENDIX A - INFORMATIONTO
Page 123 and 124: Appendix• Unique identification n
Page 125 and 126: Appendix• Authority to place into
Page 127 and 128: AppendixStatement of</stron
Page 129 and 130: IndexClausePageApparatus . . . . .
Page 131 and 132: IndexClausePageuse of</stro
Page 133 and 134: IndexClausePageat the site
Page 135 and 136: IndexClausePagesigns and barriers .
Page 137 and 138: IndexClausePagesuitable clothing .
Page 139 and 140: IndexClausePageLIMITSaccess authori
Page 141 and 142: IndexClausePageMOBILE PLANTearthing
Page 143 and 144: IndexClausePageauthorised to operat
Page 145 and 146: IndexClausePageIssue to. . . . . .
Page 147 and 148: IndexClausePageSLEEVESinsulating .
Page 149 and 150: IndexClausePageUUNDERGROUND CABLESm
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code of practice of electrical safety for work on or near high voltage

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