For the lighting-calculations, Which method is used? All Questions › Category: Electrical Estimating And Costing › For the lighting-calculations, Which method is used? 0 Vote Up Vote Down Rajasri Mundrathi Staff asked 3 years ago Options: a) Watts per square meter methodb) Lumen or light flux methodc) Point to point methodd) All of these 1 Answers 0 Vote Up Vote Down Rajasri Mundrathi Staff answered 3 years ago The correct answer is All of these