Canada–Nova Scotia Offshore Area Occupational Health and Safety Regulations — 144
vision of a person referred to in subparagraph (i) for the purpose of becoming such a person and who has demonstrated an ability to perform tasks safely at their level of training; (n) electrical equipment is installed in a location that minimizes risk to the safety of persons and in a manner that protects the equipment from mechanical and other damage; (o) the working space around and the path of access to every electrical switch, energy-isolating device or meter are free from obstruction and arranged to give authorized persons ready access to them; (p) electrical rooms are not used for storing flammable, explosive or combustible materials or materials that are unrelated to electrical work; (q) volatile flammable substances are not used in any electrical room or other enclosed area through which high-voltage electrical current passes; (r) all electrical equipment that is used in an area referred to in subsection 26 (2) has been certified by a competent person who is independent of the operator, employer and manufacturer as being safe for use in such an area; (s) any electrical receptacle or extension cord that is used in an area referred to in subsection 26 (2) is equipped with a terminal that interrupts the circuit before a connecting device is withdrawn; (t) all electrical receptacles that may be exposed to weather are weatherproof; (u) all electrical receptacles in an area in which persons may be exposed to water, including within 1.5 m of faucets and showers, are designed or equipped to prevent ground faults; (v) precautions are taken to prevent a plug from being inserted into an electrical receptacle of the incorrect voltage; (w) electrical drawings, produced by a competent person and containing line diagrams indicating the position and voltage rating of all electrical components at the workplace, are made readily available to all persons at the workplace and are updated after any repair or alteration to the electrical system; (x) legible warning signs, written in the official operating language of the workplace with symbols to convey the same meaning, are posted wherever an electrical hazard exists; and (y) a non-conductive rescue hook is kept readily available for use wherever a person is carrying out work that may expose them to a shock hazard. Lockout tag or sign (2) If the energy source being isolated is electric, the tag or sign referred to in paragraph (1)(f) must be made of non-conductive material. Isolation of piping (3) The employer must ensure that (a) an energy-isolating device used on a pipe that contains a substance that may release hazardous energy, other than in a confined space, (i) consists of a blank or blind in conjunction with valves or other blocking seals that are secured and locked out in the closed position to prevent the substance from reaching the blank or blind, (ii) consists of a double block and bleed system consisting of two valves or other blocking seals that are secured and locked out in the closed position and located on each side of a valve or other mechanism that is secured and locked out in the open position to allow for bleed-off between the two seals, or (iii) has been approved by a professional engineer; (b) the location of any blank or blind referred to in subparagraph (a)(i) is clearly marked on the pipe; (c) all valves or other seals or mechanisms referred to in subparagraph (a)(i) or (ii) are clearly marked to indicate the position they are in; and (d) any energy-isolating device referred to in subparagraph (a)(ii) or (iii) is monitored for leaks. Defective electrical equipment (4) The employer must ensure that electrical equipment that is taken out of service under section 88 is de-energized until a competent person determines it to be safe for use.