With respect to the lighting to be provided in terms of subregulation (1), the employers shall ensure that -
(a) the average illuminance at any floor level in a workplace within five metres of a task is not less than one fifth of the average illuminance on that task;
(b) glare in any workplace is reduced to a level that does not impair vision;
(c) lighting on rotating machinery is such that the hazard of stroboscopic effect is eliminated; and
(d) luminaires and lamps are kept clean and, when defective, are replaced or repaired forthwith.