DEEHS provides enrolment services to contractors that undertake electrical installation and associated work in compliance with BS 7671, and related national codes of practice. An enterprise directly carrying out electrical installation work, and wishing to be assessed in accordance with the Rules Relating to Enrolment, may make an application for enrolment to DEEHS. Where the enterprise’s resources and electrical work are subsequently assessed and found to meet the requirements of these Rules, the enterprise may be granted enrolment. Continued enrolment will be subject to periodic assessments confirming that the enterprise continues to comply with the requirements of these Rules