Not to muddy the waters here, but the question about "phasing" bulbs may stem from the idea that if you have polarized LED bulbs being driven by AC or half wave rectifiers, you want to balance the load by having half polarized each way with the result of half of the bulbs being driven every peak and the other half at the valley of the cycle (vs all the bulbs firing on just the peak or valley resulting in an imbalance).
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