6 December 2006
Including change 1, 7 December 2006
Table 3-7. Jobs Requiring Two Electrical Workers
Installation, removal, or repair when working on or near lines or parts energized at:
1. Voltages of 600 volts ac or 250 volts Energized phasing.
dc, or less.
Installing portable monitoring
2. Greater than 600 volts ac or 250 volts Energized lines.
Deenergized lines with possible
energized parts contact.
Equipment with possible energized line
Mechanical equipment operation
(except insulated aerial lifts) near
Operation of insulated aerial lifts
Other work with equal or greater
Table 3-8. Jobs Working In Confined Spaces Requiring Additional Workers
Additional Worker Requirement
Installation, removal, or repair 1. An attendant with first-aid and CPR training will
when working in a confined
be available on the surface in the immediate
Manhole or vault
generally 2. If a hazard exists within the space, or a hazard
classified as confined spaces.
exists or is created because of traffic patterns
outside the space, the attendant may not enter
the confined space.
3. If the restrictions of Item 2 above do not apply,
the attendant may enter the confined space to
provide assistance, but only for a brief period
(other than in an emergency). For extended
periods of assistance, a second worker in
addition to the attendant is required.