The correct term is "luminaire active element", and in the EC it's covered by the RoHS directive (Directive 2002/95/EC), the WEE Directive (2002/96/EC), the Low Voltage Directive (73/23/EEC and amendment 93/68/EEC), the Electromagnetic Compatibility Directive (89/336/EEC, 92/31/EC, 93/68/EEC, 2004/108/EC), the Energy efficiency requirements for ballasts for fluorescent lighting Directive (2000/55/EC), and the General product safety Directive (2001/95/EC), amongst others.