(1) A leadworker cannot properly supervise the work and look out for the safety of employees under their direction if required to work as a leadworker and a lineworker at the same time.
(2) Leadworkers should be constantly alert and shall not be required to serve in such dual capacity, except in crews of not more than two lineworkers, in which case they may work as one of the lineworkers.
(3) In crews of two lineworkers or less, each lineworker may have a groundworker but, if additional lineworkers or groundworkers are added to the crew, the leadworker shall confine his/her activities to supervising the work, as exhibited below:
| Type of Crew | Minimum Requirements |
| 2 lineworkers | One lineworker as person-in-charge. |
| 2 lineworkers plus | One lineworker as person-in- |
| 1 groundworker | charge or climbing leadworker. |
| 2 lineworkers plus | One lineworker as person-in- |
| 2 groundworkers | charge or climbing leadworker. |
| 2 lineworkers plus | One nonclimbing leadworker. |
| any combination of | |
| 3 lineworkers or | |
| groundworkers | |
[Statutory Authority: RCW 49.17.010, [49.17].040, [49.17].050 and [49.17].060. 98-07-009, § 296-45-105, filed 3/6/98, effective 5/6/98.]