  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.
Department Identification Number (DIN) A DIN is assigned to each inmate admitted to the Department of Corrections and Community Supervision. This is an internal number used as an identifier for the inmate while he or she is in the custody of the Department. The DIN has three parts; a 2-digit number, a letter, and a 4-digit number.