Installation manual

AppendixCBasiccablerequirements
anddesignedtoensureagoodgroundconnection.Theglandsusedmustbermly
attachedto,andingoodelectricalcontactwith,ametalstructuregroundedinaccordance
withtheserecommendations.
Electricalcontinuitymustbeensuredalongtheentirelengthofallcablecoverings,
particularlyatjointsandsplices.Innocaseshouldtheshieldingofcablesbeusedasthe
onlymeansofgroundingcablesorunits.
Metalliccasings,pipesandconduitsmustbegrounded,andwhenttedwithjointsthese
mustbemechanicallyandelectricallygroundedlocally.
Cableconnections
Allcableconnectionsareshownontheapplicablecableplanandinterconnection
diagrams.
Wherethecableplanshowscableconnectionsoutsideanequipmentboxoutline,the
connectionsaretobemadetoaplugorsocketwhichmatchestheplugorsocketon
thatparticularitemofequipment.
Wheretwocablesareconnectedinseriesviaajunctionboxorterminalblock,the
screensofbothcablesmustbeconnectedtogetherbutnotgrounded.
Cableterminations
Caremustbetakentoensurethatthecorrectterminationsareusedforallcable
conductors,especiallythosethataretobeconnectedtoterminalblocks.Inthiscase,
crimpedsleeve-terminationsmustbettedtopreventtheconductorcorefromfraying
andmakingabadconnectionwiththeterminalblock.Itisalsooftheutmostimportance
thatwherecrimpedterminationsareused,thecorrectsizeofcrimpandcrimpingtoolare
used.Inaddition,eachcableconductormusthaveaminimumof15cmslack(service
loop)leftbeforeitsterminationistted.
Cableidentication
Cableidenticationcodescorrespondingtothecablenumbershowninthecableplan
mustbeattachedtoeachoftheexternalcables.Theseidenticationcodesshouldbe
positionedonthecableinsuchawaythattheyarereadilyvisibleafterallpanelshave
beentted.Inaddition,eachcableconductorshouldbemarkedwiththeterminalboard
numberorsockettowhichitisconnected.
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