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� T&D �uide/jnes � 4 - 4 - 3.� <br /> - PAGE 1 OF 1 <br /> Clearances - Unattached Conductors from Signs and Swimming Areas REV.3 <br /> NOV.2,2001 <br /> �: <br /> � r 1. Forvariations,consultEng�,ieering � <br /> .� H i H r Standards. <br /> H 2. Reterences: NESC 234 <br /> � 3. Clearances irom voltages in excess <br /> ,� o122kV phase-to-ground are <br /> increased at the rate oi 0.4 inches/kV. <br /> H <br /> ' co�a,��r��a+�nn�d � <br /> H H i H H --- � � <br /> � <br /> T8D Guideline ' � hwAluW ' <br /> 4-4•6.0 � �� �(Mo) <br /> f - Orounded Supply - <br /> I Conduetor Type Neulral� Cebb Open Supply Line Conduclon <br /> 6u <br /> Volle e 0 240V 4BOV 240V 480V 4.16kV '�2,47kV SSkV 115kV <br /> Honzonfal Cfearanco(hJ � <br /> 1. 7o portions o/signs ral 3 3.5 3.5 5.5 5.5 7.5 7.5 8' 9' ' <br /> readilyaccessible fo <br /> pedesfnans <br /> 2. To porlions o!signs readily 4.5 5.0 5.0 5.5 5.5 7.5 7.5 B' 9' <br /> accessible fo edesfnans <br /> Vertical CleatanCe(!f) <br /> 1. Ovnrorunderportionsol 3 3.5 3.5 6 6 8 B 8.5' 9.5' <br /> signs upon which personnel <br /> do not walk <br /> 2. Over or unde�calwa/ks and 10.5 71 71 11.5 11.5 13.5 13.5 14' 15' <br /> o(her suAaces ol signs upon <br /> which personnel walk <br /> . ____..__'.\ <br /> Legend: � <br /> Clearance "A"- Clearance in any ---_..-.-.-.-. ---' �B a�� <br /> direction from the water level, edge � <br /> ot pool, base of diving platlorm, or � , � � ,,�---{-- <br /> anchored raft ° c <br /> Clearance "B"- Clearance in any � ' <br /> direction to the diving platlorm or � '�-,,, � <br /> tower. <br /> Clearance "C"- '/ertical clearance ' " <br /> over adjacent land (See T&D Guideline <br /> 4-4-4.0). <br /> Conductor Type Guy 8 Grounded Supply <br /> Neutrel Cable O n Supply Line Conducton <br /> Voltage 0 240V 480V 240Y 480V 4.16kV 12.47kV_ SSkV 115kV <br /> Clearance A"(It) 22 I 22 22.5 23 23 25 2, 25.5' 26.5' <br /> Clearance'B"(I!) 14 14 1 J.5 15 15 16.5 16.5 17' 1 B' <br /> The m'^imum Gearance Irom Pool to direcl buried cable(0•1 i5k�is 5 R. _ �� <br />