Brain Teaser: Supply 15 VAC, black common, Green hot. At initial power-on green light is on and yellow light off, draw 55 ma. After 10 seconds green light is still on and yellow light is still off, draw 110 ma. Add second head on the opposite side of first head. At initial power-on both green and both yellow lights on, draw 40 ma. After 10 seconds both yellow lights turn off, draw 80 ma. Draws are approximate. What's wrong ?
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