690. Energy distribution installations in regard to construction.

690.     Energy distribution installations in regard to construction.

Where necessary to prevent danger, energy distribution installations must be suitably located, checked and clearly indicated1. Where there is a risk to construction work from overhead electric power cables:

  1.  

    (1)     they must be directed away from the area of risk2; or

  2.  

    (2)     the power must be isolated and, where necessary, earthed3.

If it is not reasonably practicable to comply with head (1) or (2), suitable warning notices must be provided together with one or more of the following:

  1.  

    (a)     barriers suitable for