{
  "url": "https://openlegislation.uk/electricity-supply-regulations-1988/regulation-20",
  "json_url": "https://openlegislation.uk/electricity-supply-regulations-1988/regulation-20.json",
  "legislation": "uksi/1988/1057",
  "legislation_title": "The Electricity Supply Regulations 1988",
  "legislation_url": "https://openlegislation.uk/electricity-supply-regulations-1988",
  "path": "regulation/20",
  "kind": "regulation",
  "number": "20",
  "heading": "High voltage: additional provisions",
  "text": "(1) Paragraphs (2) and (3) shall apply only to supplier’s works where energy at high voltage is generated, transformed, converted, regulated, switched or controlled.\n(2) The supplier shall—\n(a) enclose any part of a substation in the open air, containing live apparatus which is not encased, by a fence not less than 2.4 metres high to prevent, so far as is reasonably practicable, danger or unauthorised access;\n(b) ensure that, So far as is reasonably practicable, there are at all times displayed in a conspicuous position—\n(i) subject to paragraph (3), a safety sign and a notice giving the name of the supplier and an address or telephone number where a person appointed by the supplier will be in constant attendance, and\n(ii) such other signs as may be necessary to give warning of danger having regard, inter alia, to the siting of, the nature of, and the measures taken to ensure the physical security of, the supplier’s works; and\n(c) take all reasonable precautions to minimise the risk of fire.\n(3) The provisions of paragraph (2)(b)(i) shall not apply to any exposed live parts of the supplier’s works which are held at least 4.3 metres above ground by a support, or to any insulated electric line attached to that support.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "revoked",
      "affecting": "uksi/1992/2961",
      "affecting_title": "The Electricity Supply (Amendment) Regulations 1992"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1988/1057/regulation/20",
    "retrieved_at": "2026-10-29T16:05:02.727864+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}