How many W lamps are used for general supermarket lighting, and how many W per square meter on average?

Supermarkets generally use 28W fluorescent lamps for lighting.

The required illuminance is 300-500Lx, and the lighting power is 13-20W/㎡ (current value). The target value specified by Shanghai is 1 1- 17W/㎡ (the larger value is suitable for high-end supermarkets).

The above refer to the national standard "Code for Design of Building Lighting".

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