Lighting Design Basics, 4th edition (Mark Karlen, Christina Spangler)

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APPENDIX A ENERGY CODE CALCULATIONS APPENDIX A ENERGY CODE CALCULATIONS Energy codes establish a minimum level of energy efficiency or product performance for lighting systems installed in buildings. The wide variety of energy codes and standards ranges from national model energy codes, which must be adopted by a state or local jurisdiction to have the force of law, to locally developed and adopted standards. As lamps and luminaires became more efficient, energy codes followed and became more st…