Patent ID: 7619367

Claim:
A method of electronic ballast protection comprising: providing an electronic ballast, the electronic ballast having an AC/DC converter 104 having an electronic ballast input and a mains voltage connection 103 connectable to a mains voltage 102 , an inverter 120 operably connected to the AC/DC converter 104 and having an electronic ballast output 125 connectable to a lamp 124 , a control circuit 116 controlling the inverter 120 , and a low voltage power supply 114 providing low voltage power to the control circuit 116 ; supplying power to the low voltage power supply 114 from the electronic ballast input when the mains voltage connection 103 is wired to the mains voltage 102 ; and disconnecting the power to the low voltage power supply 114 when the electronic ballast output 125 is wired to the mains voltage 102 .