Raymarine p70Rs - Cabling and Connection Basics

4.
1Generalcablingguidance
Cabletypesandlength
Itisimportanttousecablesoftheappropriatetypeandlength.
•UnlessotherwisestatedonlyusecablessuppliedbyRaymarine.
•Whereitisnecessarytousenon-Raymarinecables,ensurethattheyareofcorrectqualityand
gaugefortheirintendedpurpose.(e.g.:longerpowercablerunsmayrequirelargerwiregaugesto
minimizevoltagedropalongtherun).
Cablerouting
Cablesmustberoutedcorrectly,tomaximizeperformanceandprolongcablelife.
•DoNOTbendcablesexcessively.Whereverpossible,ensureaminimumbenddiameter(Ø)of
200mm(7.87in)/minimumbendradius(R)of100mm(3.94in).
•Protectallcablesfromphysicaldamageande xposuretoheat.Usetrunkingorconduitwhere
possible.DoNOTruncablesthroughbilgesordoorways,orclosetomovingorhotobjects.
•Securecablesinplaceusingcableclipsorcableties.Coilanyexcesscableandtieitoutoftheway.
•Whereacablepassesthroughanexposedbulkheadordeckhead,useasuitablewatertight
feed-through.
•DoNOTruncablesneartoenginesorfluorescentlights.
•Alwaysroutedatacablesasfarawayaspossiblefrom:
–otherequipmentandcables,
–highcurrentcarryingACandDCpowerlines,
–antennas.
Caution:Pullingcables
DoNOTusecordsorropes,attachedtocableconnectors,topullcablesthrough
restrictedapertures(e.g.asinbulkheads),asthiscouldcausedamagetocables.
S trainrelief
Useadequatestrainreliefforcablingtoensurethatconnectorsareprotectedfromstrainandwillnot
pulloutunderextremeseaconditions.
Cableshielding
Ensurethatcableshieldingisnotdamagedduringinstallationandthatallcablesareproperly
shielded.
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