NEMA LE 6-2014提供了在实验室试验条件下测定灯具TER的程序，并描述了常见室内和室外照明应用中使用的产品类别或类型。本标准不适用于特殊用途的灯具，包括但不限于拟瞄准的产品、重点灯具、粗糙或危险用途灯具或应急照明。

NEMA LE 6-2014 provides a procedure for the determination of TER for luminaires under laboratory test conditions and describes categories or types of product used in common indoor and outdoor lighting applications. This standard does not apply to luminaires for specialized applications, including but not limited to products intended to be aimed, accent luminaires, rough or hazardous use luminaires or emergency lighting.