The term balun (pronounced bal-un) is derived from the function of the passive device that converts between a BAL anced and UNbalanced electrical signal. Common types of baluns convert 100 Ohm twisted pair (balanced) to 75 Ohm coaxial (unbalanced).
Commercial Driver License (Class A, B or C) A commercial driver license (CDL) is required for drivers of heavyweight vehicles, 26,001 lbs. or more gross vehicle weight rating (GVWR), vehicles hauling a trailer that is 10,001 lbs.
Classes of Driver's Licence. There are 13 different classes of driver's licence in QuÃ©bec. Each one authorizes its holder to drive a specific category of road vehicle. A Class 1 licence authorizes its holder to drive a combination of vehicles, i.e.: a double-axleA crosspiece, located under a vehicle, to which are attached the wheels that support the vehicle. road tractorA motor vehicle that has no cargo space and that is permanently equipped with a fifth wheel.