  The amperage is on the label of the ballast. When you connect the ballast to power you will see it along with the voltage and pf of the ballast. F40T12 twin 8 foot tubes, ballast usually draws about .75 amps. The amperage is on the label of the ballast. When you connect the ballast to power you will see it along with the voltage and pf of the ballast. F40T12 twin 8 foot tubes, ballast usually draws about .75 amps.
A Single Din is the standard size of a head unit (the stereo in the dash of your car) a double din is twice as large. Double dins are good for cars that have large stock head units like a caddyhas.
DIN Video Input. DIN Video Input ports are used to connect the signals from cameras with DIN connectors to the DVR. DIN cables are proprietary, which means they are specific to the manufacturer and you cannot mix DIN cameras from different manufacturers. Lorex DIN cables use either a 4-pin or 6-pin layout.