Règle correspondante
Canada
Practice Relating to Rule 42. Works and Installations Containing Dangerous Forces
Section B. Placement of military objectives near works and installations containing dangerous forces
Canada’s LOAC Manual (1999) provides:
The parties to a conflict should avoid locating legitimate targets in the vicinity of dams, dykes and nuclear electrical generation stations. Weapons co-located for the sole purpose of defending such installations are permissible. 
Canada, The Law of Armed Conflict at the Operational and Tactical Level, Office of the Judge Advocate General, 1999, p. 4-8, § 75.
Canada’s LOAC Manual (2001) states in its chapter on targeting:
The parties to a conflict should avoid locating legitimate targets near dams, dykes and nuclear electrical generation stations. Weapons co-located for the sole purpose of defending such installations are permissible. 
Canada, The Law of Armed Conflict at the Operational and Tactical Levels, Office of the Judge Advocate General, 13 August 2001, § 444.4.