Canada–Newfoundland and Labrador Offshore Area Occupational Health and Safety Regulations (SOR/2021-247)
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Regulations are current to 2024-11-26 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)
| Item | Column 1 | Column 2 | Column 3 | Column 4 |
|---|---|---|---|---|
| Limited Approach Boundary | ||||
| Nominal System Voltage Range, Phase to Phase | Exposed Energized Electrical Conductor | Exposed Energized Circuit Part | Restricted Approach Boundary | |
| 1 | Less than 30 V | Not applicable | Not applicable | Not applicable |
| 2 | 31 V – 300 V | 3.0 m | 1.0 m | > 0 m |
| 3 | 301 V – 1 kV | 3.0 m | 1.0 m | 0.3 m |
| 4 | 1.1 kV – 5 kV | 3.0 m | 1.5 m | 0.4 m |
| 5 | 5.1 kV – 15 kV | 3.0 m | 1.5 m | 0.7 m |
| 6 | 15.1 kV – 45 kV | 3.0 m | 2.5 m | 0.8 m |
| 7 | 45.1 kV – 75 kV | 3.0 m | 2.5 m | 1.0 m |
| 8 | 75.1 kV – 150 kV | 3.4 m | 3.0 m | 1.2 m |
| 9 | 150.1 kV – 250 kV | 4.0 m | 4.0 m | 1.6 m |
| 10 | 250.1 kV – 500 kV | 6.0 m | 6.0 m | 3.5 m |
| 11 | 500.1 kV – 800 kV | 8.0 m | 8.0 m | 5.0 m |
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