It is double-end wired on line voltage (ballast bypass).
G3 Plus Emergency LED T8, Automatic Self-testing, 8W, 5000K, 2ft, 25PK More importantly, the lamp will automatically self-test for 30 seconds monthly and for 90 minutes annually, thus meeting the emergency lighting audit requirements with no labor cost. This lamp is required to operate on an always-on circuit in order to keep the battery charged at all time..