In residential premises, the standard height of socket installation is from 30 cm to 140 cm above the floor, depending on the purpose. The switch panel height is typically set at 1350mm, allowing most people to easily reach it. Additionally, ensure the switch is positioned at least 100mm away from the edge of the door to avoid interference with door cover line installation. In bathrooms, the principle of. The interior height, which is important for usability, is measured in U (height unit) in an internationally standardized way. Some standard dimensions have become. While the National Electrical Code (NEC) doesn't specify a mandatory standard outlet height for most general-use receptacles, established industry best practices and accessibility laws provide clear guidance. For a typical residential installation, the standard electrical outlet height is 12 to 16. Electrical Safety First is a charitable non-profit making organisation set up in 1956 to protect users of electricity against the hazards of unsafe and unsound electrical installations. However, due to devolvement of the government in Wales and the giving of powers to the Welsh Ministers the Building Regulations and therefore Approve bove regarding socket outlets above working surfaces.