all electrical equipment brought on site is pre-agreed and has a current Portable Appliance Test (PAT) certificate, issued by a qualified electrician.
bod holl offer trydanol a ddygir ar y safle wedi’i gytuno ymlaen llaw ac mae ganddo dystysgrif Prawf Offer Cludadwy (PAT) cyfredol, a gyhoeddir gan drydanwr cymwys.