Los Angeles, CA ·  A fascinating look into ballast technology, the unsung hero that regulates fluorescent, HID and other gas-discharge lamps. #ballasts
The one or two lamp volts lumens fluorescent emergency ballast is used with one watt or two watt twin, quad or triple tube lamp types. The ballast dimensions are inches by inches by inches.
"When I was pregnant with my girl, there was a tv ad about a little girl and her real life elephant. Made me cry every time. My girl has loved elephants since she was little. Maybe, since before she was born. :)" <<<that's so cute
When working with power electronics, quite often the right piece of test equipment is an old-fashioned incandescent lamp. They make good ballast resistors and dummy.
