28 perpetuum 1 | 2010 The newly retro?tted system disposes of energy consuming products replacing them with more ef?cient ones along with wireless energy harvesting controls. The new system reduces energy usage by more than 50% and lighting quality will be throughout the gymnasium with the introduction of ?uorescent ?xtures. Using existing wires, system integ- rators replaced the ailing single zone system and crea- ted eight scenarios of li

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