Part P regulations concerning electrical work apply mainly to houses and flats including gardens, outbuildings such as sheds, detached garages and greenhouses.
Mae’r rheoliadau Rhan P newydd, sy’n ymwneud â gwaith trydanol, yn berthnasol i dai a fflatiau annedd yn bennaf, gan gynnwys gerddi, tai allan fel siediau, garejis ar wahân a thai gwydr.