Washington Administrative Code (Last Updated: November 23, 2016) |
Title 296. Labor and Industries, Department of |
Chapter 296-807. Portable power tools. |
Section 296-807-11005. Make sure switches are safe.
Latest version.
- (1) You must make sure the operating switch is located in a position that makes it difficult to accidentally operate the tool.(2) You must use the correct operating switch.(a) Make sure hand-held gasoline-powered chain saws have a constant pressure throttle control that will shut off power to the chain when the pressure is released.(b) Use a constant pressure switch that will shut off the power when the switch is released to turn on or operate any hand-held power tool.Exemptions:Some tools can use a lock-on feature with the constant pressure switch if the lock-on feature can be turned off with a single motion of the same finger(s) that turned it on. You can use a lock-on feature with these hand-held tools:1. Drills;2. Tappers;3. Fastener drivers;4. Grinders using a wheel greater than two inches in diameter;5. Disc sanders;6. Belt sanders;7. Reciprocating saws;8. Saber, scroll and jig saws using a blade with a shank width greater than one-quarter inch;9. Other similarly operating powered tools.Exemptions:You can use a positive "on-off" switch with these hand-held tools:1. Platen sanders;2. Grinders using a wheel two inches or less in diameter;3. Routers;4. Planers;5. Laminate trimmers;6. Nibblers;7. Shears;8. Saber, scroll, and jig saws using a blade with a shank width of one-quarter inch (± .05 inch) or less.Note:The shank width of saber, scroll and jig saw blades is measured at the narrowest point on the blade shank.