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Canada–Newfoundland and Labrador Offshore Area Occupational Health and Safety Regulations (SOR/2021-247)

Regulations are current to 2022-11-16 and last amended on 2022-01-01. Previous Versions

SCHEDULE 2(Section 141)

Approach Boundaries for Direct Current Systems (distance from energized electrical conductors or circuit parts to person)

ItemColumn 1Column 2Column 3Column 4
Limited Approach Boundary
Nominal System Voltage Range, Phase to PhaseExposed Energized Electrical ConductorExposed Energized Circuit PartRestricted Approach Boundary
1Less than 30 VNot applicableNot applicableNot applicable
231 V – 300 V3.0 m1.0 m> 0 m
3301 V – 1 kV3.0 m1.0 m0.3 m
41.1 kV – 5 kV3.0 m1.5 m0.4 m
55.1 kV – 15 kV3.0 m1.5 m0.7 m
615.1 kV – 45 kV3.0 m2.5 m0.8 m
745.1 kV – 75 kV3.0 m2.5 m1.0 m
875.1 kV – 150 kV3.4 m3.0 m1.2 m
9150.1 kV – 250 kV4.0 m4.0 m1.6 m
10250.1 kV – 500 kV6.0 m6.0 m3.5 m
11500.1 kV – 800 kV8.0 m8.0 m5.0 m
 
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