Where payment cards/tokens/keys are in use for electric supplies, these should be available from the site manager and at least one other outlet, such as a local shop.
Pan fydd cardiau talu/tocynnau/allweddi’n cael eu defnyddio ar gyfer cyflenwadau trydan, dylai’r rhain fod ar gael gan reolwr y safle ac o leiaf un lle arall, fel siop leol.