scope:

This standard covers constant current regulators used in series circuits of aviation ground lighting installations. This prestandard is applicable to constant current regulator assemblies, including control and monitoring devices, used for supply of a constant current to series connected light sources in airfield lighting systems. The Constant Current Regulator is designed to produce a constant current output independent of variations in the circuit of load or, in some limits, of variations in the input voltage to the Constant Current Regulator.