Sa' principles
Qo'noS cable rate voltages equal pagh matay'DI' law' rate voltage network, therated voltage cable 15 vatlhvI' ghob'e' wej exceed voltages Qap themaximum. jIQongqa'laHbe' vIH pagh vibrate DaneH'a' Qaw''egh Hur premisesand copper cables, normally chenmoH aluminumconductor cable. cable lan chaH vaj mep vaH cables je aluminumcladding cable orbare usedin may'luch cable tlham bare. cables withaluminum cladding vaH direct-mol cable vaH armoredcable bare mep pagh. forheavy-Qu' rubber wep cable lo' mobile mIqta'. generally wej lo' corrosivesoils neH yav vaj lo' orspecial coating cable. placein corrosive medium, theappropriate cable vaH ghaH 'oH. chong joq greatheight difference DeSDu' lan chaH cables, vaj lo' nottrickle cable. vaj not usedwhen environmental Hat law' 40℃ rubber insulated cables.