2022 Manitoba Workplace Safety and Health Act and Regulation

Switch not to be locked in closed position
38.13 
An employer must ensure that no worker locks or otherwise fixes an
electrical switch in the closed or energized position unless the design
specifications of the switch require it to remain locked in the closed
position.
Electrical equipment must be de-energized 
38.14(1) Subject to subsection (2), an employer must ensure that an electrical
worker doing electrical work
(a) de-energizes and locks-out electrical equipment on which
work is to be done in a manner that meets the requirements of
Part 16 (Machines, Tools and Robots);
(b) removes any potential stored power; and
(c) does not re-energize the equipment until the work has been
completed and all persons in the immediate vicinity are in a safe
location.
38.14(2) If it is not reasonably practicable to de-energize electrical equipment
before electrical work is done, an employer must ensure that no
electrical worker begins work on energized electrical equipment until
(a) the employer, in consultation with the worker, has
(i) assessed the conditions or circumstances under which the
electrical worker is required to work, and
(ii) developed safe work procedures that include the use of
safety equipment appropriate for the task;
(b) the safe work procedures developed under subclause (a)(ii) have
been agreed to by the employer and the worker;
(c) the worker has been trained in the safe work procedures;
(d) the employer has designated a worker who is trained in
emergency response procedures as a standby worker at the
location where the electrical work is to be done;
(e) the standby worker designated under clause (d) is present at the
location where the work is to be done; and

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Workplace Safety And Health Regulation
327
(f) the worker wears all personal protective equipment
appropriate for the work to be done.
38.14(3) The standby worker designated under clause (2)(d) must be present
at the location of the electrical work at all times when the work is
being done.
38.14(4) This section does not apply to electrical equipment that
(a) operates at extra-low voltage — being voltage of 30 volts or
less; and
(b) when energized, is not considered a risk to the safety or health
of a worker.