Michigan Tech Occupational Safety and Health Services

Electrical Safe Work Practices Plan

Electrical Index | Qualified Person | Portable Equipment | Protective Equipment | Conductive Materials and Equipment
De-energized Parts | Energized Parts | Illumination | Portable Ladders | Reclosing Circuits
Vehicular and Mechanical Equipment Near Overhead Power Lines | Electrical Equipment/Machinery
GFCI Protection | Table I: Approach Distance For Qualified Employees

Table I: Approach Distance For Qualified Employees

Alternating Current

300V and less -----------------------------------------Avoid Contact

Over 300V, but less than 750V-------------------- 1 ft. 0 in. (30.5 cm)

Over 750V, but less than 2kV---------------------- 1 ft. 6 in. (46 cm)

Over 2kV, but less than 15kV---------------------- 2 ft. 0 in. (61 cm)

Over 15kV, but less than 37kV--------------------- 3 ft. 0 in. (91 cm)

Over 37kV, but less than 87.5kV------------------- 3 ft. 6 in. (107 cm)

Over 87.5kV, but less than 121kV------------------ 4 ft. 0 in. (122 cm)

Over 121kV, but less than 140kV------------------- 4 ft. 6 in. (137 cm)

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