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• �. ' • <br /> Ch�pbr 296-24 WAC � � Pan l <br /> G�n�ral Safety�nd MeNlh Sbndards ENetrieal <br /> WAC 296•21•960(Cont.) <br /> overhead line contact. Additional prccautions,such as the usc of barricades or insulation,shall be <br /> takcn ro protcct employta from hazardous ground potentials,dcpcnding on arih rcsistivity and <br /> fault currcnts, which wn dcvclop within thc firsl (e�v feet or more ontward from the grounding <br /> point. <br /> (9) Illumination. <br /> (a) Gmployecs shall not entcr spaces containing cxposcd encrgized parts,unless illumination�s <br /> provided t6at cnables thc employees to pedorm thc work safcly. <br /> (b) Wherc lack of illumination or an obstruction preclud�,obscrvalion o(the work to be pcdortncd, <br /> employccs shall not pedorm usks near exposcd encrgved paru. Employees shall not rcach <br /> blindly in�o arcas which may contain cncrgizcd pans. <br /> (10) Confined or enclosed work spaces. Wlun an employee works in a confined or rnclosed space(sach as a <br /> manhole or vault)that cor.bins exposed energiud patts,the employcr shall provida,and the emploYcc <br /> shall use,protcctivc shields,protcctive barriers,or insulating matcrials as necessary to avoid inadvertent <br /> contact with these parts. Doors,hinged pancls,a�thc likc shall be scwred ro preveN�heir swinging into <br /> an employee and causing thc employce to contact exposed encrgizcd parts. <br /> (11) Conductivc matcrials and equipmcnt. Conductivc matcrials and equipmcnt that arc in conwcl with any par� <br /> of an employec's body shall be handlcd in a manner U�al will prevcnt them from contacting exposed <br /> energized conductors or circuit parts. 1(an employce must handle long dimmsional conductive objecis <br /> (such as ducts and pipes)in arcas with exposed live parts,tLe employer shall institutc work practi«s(such <br /> as�hc usc of insulatian,guarding,and material handling techniques)which will minimiu the ha�ard <br /> (12) Portable laddcrs. Portable ladders shall havc nonconductivc sidcails i(thcy arc uscd whcrc the employec <br /> or thc laddcr could contact exposcd energized parts. <br /> (13) Conductive apparel. Conductive articles o(jewclry and clothing(such as watch bands,bracdets,rings,key <br /> ehains,nccklaccs,metalizcd aprons,eloth with conductive tluead,or mctal headgcar)shall not be wom if <br /> thcy mighl contact cxposcd encrgizcd parts. <br /> (14) Housekccpingduties. <br /> (a) Where live parts presmt an clectrical contacl hazard,employccs shall not pcdortn housekceping <br /> duties at such closc disunces to thc parts that there is a possibility of conuct,unless adequate <br /> safcguards(such as insulating equipment or barricrs)are providcd. <br /> (b) Electrically conductive cleaning materials(induding conductive sol�ds such as stecl wool, <br /> metalizcd cloth,end silicon carbide,as well as cor.ductive IiquiJ solulions)shall not bc used in <br /> proximily to energized parts unfess procedures are followed which wili prevent electrical wntact. <br /> (15) Intedocks. Only a qualified person following the rcquircments of this section may defcat an electrical <br /> safely interlock,and thcn only temporarily whilc he or she is w�rking on thc equipment. "Ihe intedak <br /> system shall bc rclumcd to its openble condition whcn this work is completcd. <br /> �Slafulory Authoriry: ChaPler 49.17 RCW. 91-15-09G(Order 94-07).29G-24•960.filed 729I9I.eflecUve 9/20/94:9f•21-017(Order <br /> 91-07�.296-24-960.filed 1122191,eBective tY124191. SUNtory Authority: RCW 19.17.040 afxl�9.17.050. 82•13-0�5(Order 02- <br /> 221.2�'2,-��filed 6/17182;82-02-003(OWer 81-321.296-21•960.filed 12RU81.J <br /> p�A L,Papa 57 <br /> O7I01 Iasue <br /> �� <br />