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1、securityropefence.(2)mustbeequippedwiththeropetubeprotection.(3)positionoftheswitchboxmustbeplacedcorrectly,prohibitreverseswitchoperationsightmustbegood,ifpushbuttonswitch,theoperatorhasapowerswitch,movethebuttonswitchmustbeinthe36-Volt...(2)powercordintothedrop
2、ofbend,entrymustbeenteredafterthefusebeforegoingintotheswitchinsidetheoventocompletethegroundingandzeroconnectionterminalBoard,metalcasingshouldbezeroprotection.(3)tapinsidetheboxwheretheairswitch,GFCIabovetosetaseparateswitch.(4)theboxtoseparatesingle-phasethree
3、-holeoutlets,toploadingprotector,usingsingle-phaseequipmentmustbeequippedwithamonophaseplugofthepowersupply.(5)whereamobileswitchbox,housingareliableprotectionofzero(ground),equippedwithabrakeleak.(6)tobeclearlyseparatedfromthe"power","illumination","welding".3,e
4、lectricitylines:(1)electricline,requiredforoverheadinstallationofresilientrubbersheathedcableorplastic.Adoptedatthelaneorroadprotectionpipeburiedunderground,setupsigns,connectorsmustbeoverheadorlocatedconnectorbox.(2)rubbercableportablepowertools,leadlengthnotmor
5、ethan5mfromtheswitchbox,withoutjoints.(3)usemobilepowertoolsandlightingaresoftrubbercord,donotuseplasticresinlineinstead.(4)temporarywiringinstallations,usearubberorplasticinsulatedwiresmustbeknobcablessetup,switchset.4,groundingandzeroingdevice:(1)groundingelect
6、rodeavailableangles,steelofnotlessthantwo,depthofnotlessthan2mandnotlessthan2.5metresindistancebetweentwogrounding,groundingresistanceislessthan4ohm.(2)ground(neutral)wiresusinginsulatedcopperwire,donotusealuminiumwireforgrounding(neutral)wirejointsbywelding,crim
7、pingareliableelectricalconnection.(3)rubbercablecoreinthe"black"or"green/HuangShuang-color"lineasthegroundwire.5,highvoltagelineprotection:(1)inthevicinityofoverheadpowertransmissionlineconstruction,erectionofbambooprotectionframe.(2)inthevicinityofhighvoltagecab
8、leerectionDerrick(gantry),scaffoldingoutsidepowerlinesabovethewater,allsafetynets(Booth).6,handheldormobilemotor:switchboxmusthaveleakageprotectiondevices,leak
