Abstract
A specification for equipment ensures a certain performance. Its preparation requires a knowledge of the equipment and the factors which affect its performance. These problems are discussed for the mains voltage fluorescent lamp, control gear and fitting, and methods of test are described.
It is suggested that tests should be made both in “free air” and “in fitting,” and that limiting conditions for satisfactory operation of lamps, control gear and fitting should be specified for both circumstances, assuming that control gear and fitting are designed to lamp requirements.
A term to denote the “complete lighting unit” is recommended.
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