HB 88-1997 (CJC 2) Unbalanced high voltage power lines: Code of practice for the mitigation of noise induced into paired cable telecommunications lines from unbalanced high voltage power lines
HB 87-1997 (CJC 1) Joint use of poles: The placement on poles of power lines and paired cable telecommunications lines
HB 100-2000 (CJC 4) Coordination of power and telecommunications - Manual for the establishment of safe work practices and the minimization of operational interference between power systems and paired cable telecommunications systems