S-2.1, r. 4 - Safety Code for the construction industry

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8.10.4. If workers do not have miner’s lamps or portable lamps, an emergency lighting system with an automatic relay shall be available in the underground work site. This system shall be kept in good working condition for a takeover in case of a break in the main supply of electrical current.
R.R.Q., 1981, c. S-2.1, r. 6, s. 8.10.4.