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1、securityropefence.(2)mustbeequippedwiththeropetubeprotection.(3)positionoftheswitchboxmustbeplacedcorrectly,prohibitreverseswitchoperationsightmustbegood,ifpushbuttonswitch,theoperatorhasapowerswitch,movethebuttonswitchmustbeinthe36-Volt...(2)powercordintothedropofbend,entrymustbeentere
2、dafterthefusebeforegoingintotheswitchinsidetheoventocompletethegroundingandzeroconnectionterminalBoard,metalcasingshouldbezeroprotection.(3)tapinsidetheboxwheretheairswitch,GFCIabovetosetaseparateswitch.(4)theboxtoseparatesingle-phasethree-holeoutlets,toploadingprotector,usingsingle-pha
3、seequipmentmustbeequippedwithamonophaseplugofthepowersupply.(5)whereamobileswitchbox,housingareliableprotectionofzero(ground),equippedwithabrakeleak.(6)tobeclearlyseparatedfromthe"power","illumination","welding".3,electricitylines:(1)electricline,requiredforoverheadinstallationofresilie
4、ntrubbersheathedcableorplastic.Adoptedatthelaneorroadprotectionpipeburiedunderground,setupsigns,connectorsmustbeoverheadorlocatedconnectorbox.(2)rubbercableportablepowertools,leadlengthnotmorethan5mfromtheswitchbox,withoutjoints.(3)usemobilepowertoolsandlightingaresoftrubbercord,donotus
5、eplasticresinlineinstead.(4)temporarywiringinstallations,usearubberorplasticinsulatedwiresmustbeknobcablessetup,switchset.4,groundingandzeroingdevice:(1)groundingelectrodeavailableangles,steelofnotlessthantwo,depthofnotlessthan2mandnotlessthan2.5metresindistancebetweentwogrounding,groun
6、dingresistanceislessthan4ohm.(2)ground(neutral)wiresusinginsulatedcopperwire,donotusealuminiumwireforgrounding(neutral)wirejointsbywelding,crimpingareliableelectricalconnection.(3)rubbercablecoreinthe"black"or"green/HuangShuang-color"lineasthegroundwire.5,highvoltagelineprotection:(1)in
7、thevicinityofoverheadpowertransmissionlineconstruction,erectionofbambooprotectionframe.(2)inthevicinityofhighvoltagecableerectionDerrick(gantry),scaffoldingoutsidepowerlinesabovethewater,allsafetynets(Booth).6,handheldormobilemotor:switchboxmusthaveleakageprotectiondevices,leak
