L1-09B.11 – Select & Install Cable Factors that govern the selection of cable: location of cable runs Indoor or outdoor Underground Plenum or Non Plenum Need for flexible cable Maximum length of the individual cable...
L1-09B.10 – Impedance A wire specification applying primarily to coax cables Typically 75Ω for CCTV and LAN wiring. Can affect picture quality Can affect data reliability if...
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