installing a lamp with a capacity which does not exceed 150W per light fitting and the lighting automatically switches off both when there is enough daylight and also when it is not required at night
Gosod lamp â chapasiti nad yw dros 150 wat am bob ffitiad golau, a sicrhau bod y golau'n diffodd yn awtomatig pan fydd digon o olau dydd a phan na fydd ei angen yn y nos