# The Coal and Other Mines (Safety-Lamps and Lighting) Order 1956, Paragraph 17


(1) It shall be the duty of the manager of every mine to secure the provision and maintenance of suitable and sufficient lighting at the following places below ground at all times when any persons are working thereat or walking therethrough going to or from their working places at the beginning or end of a shift, that is to say—
(a) such entrances to each shaft or outlet and such sidings provided in relation thereto as are regularly used;
(b) the top and bottom of every incline on which vehicles are moved by gravity operated rope haulage apparatus other than apparatus which is advanced with the working of a face;
(c) every siding, landing, passbye, junction and off-take, every place at which vehicles are regularly coupled or uncoupled or regularly attached to or detached from a haulage rope and every place at which vehicles are regularly filled mechanically;
(d) every room or place made to house and containing any engine or motor.
(2) Lighting provided in pursuance of this regulation shall be so arranged as to minimise glare or eyestrain.
(3) Nothing in the preceding provisions of this regulation shall require the provision of lighting at any place ventilated by air none of which has ventilated a working face and within one hundred and fifty feet of a working face, or at any other place within nine hundred feet of a working face being in either case a place accessible from the face in question:
Provided that an inspector may serve on the manager of a mine a notice requiring him to secure the provision and maintenance of suitable and sufficient lighting at any place specified in the notice at which such lighting would be required but for the preceding provisions of this paragraph and which is not within thirty feet of such a working face.
(4) Nothing in the preceding provisions of this regulation shall require the provision of lighting in a mine at which not more than ten persons are employed below ground and an inspector may by notice served on the manager exempt any mine at which not more than thirty persons are employed below ground from those requirements.

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Source: https://www.legislation.gov.uk/uksi/1956/1765/schedule/FIRST/paragraph/17 (the official version)
Page: https://openlegislation.uk/coal-and-other-mines-safety-lamps-and-lighting-order-1956/schedule-FIRST/paragraph-17
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.