code of practice of electrical safety for work on or near high voltage
code of practice of electrical safety for work on or near high voltage
code of practice of electrical safety for work on or near high voltage
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Approach To Electrical ApparatusTable 1 - Safe Approach Distances <str<strong>on</strong>g>f<strong>or</strong></str<strong>on</strong>g> Pers<strong>on</strong>s to Exposed C<strong>on</strong>duct<strong>or</strong>sNominal Phase toPhase AC VoltageOrdinary Pers<strong>on</strong>sInstructed Pers<strong>on</strong>s <strong>or</strong>Auth<strong>or</strong>ised Pers<strong>on</strong>skV Millimetres MillimetresLV Aerial Lines 1500 Instructed Pers<strong>on</strong>s -No c<strong>on</strong>tactAuth<strong>or</strong>ised Pers<strong>on</strong>s -insulated c<strong>on</strong>tact <strong>on</strong>ly6.6 2000 70011 2000 70022 2000 70033 2000 70050 2000 75066 2000 900110 3000 1000132 3000 1200220 4000 1700275 5000 2300330 6000 2700400 6000 3300500 6000 3600Nominal Pole to EarthDC Voltage (kV)1.5 <strong>or</strong> less 1500Instructed Pers<strong>on</strong>s -No c<strong>on</strong>tactAuth<strong>or</strong>ised Pers<strong>on</strong>s -insulated c<strong>on</strong>tact <strong>on</strong>ly+/- 25 2000 700+/- 85 3000 1000+/- 150 3000 1200+/- 270 4500 1800+/- 350 5000 2500+/- 400 6000 2900Notes:(1) Deliberately avoid movements that could result in distances beinginfringed.(2) These distances specified are based <strong>on</strong> <str<strong>on</strong>g>w<strong>or</strong>k</str<strong>on</strong>g> from a stable surface.Appropriate allowance shall be made <str<strong>on</strong>g>f<strong>or</strong></str<strong>on</strong>g> c<strong>on</strong>duct<strong>or</strong> sag and sway.Blue Book – December 2005 Page 53 <str<strong>on</strong>g>of</str<strong>on</strong>g> 142
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