Portable Power Tools

Chapter 296-807, WAC

Effective Date: 08/01/03

Helpful Tools

Switches (Controls)

WAC 296-807-110

WAC 296-800-120 in Adobe Acrobat (.pdf) formatFor printing


Your responsibility:

Make sure hand-held portable power tools have safe switches (controls)



WAC 296-807-110 doesn't apply to:

  • Concrete vibrators

  • Concrete breakers

  • Powered tampers

  • Jack hammers

  • Rock drills

  • Garden appliances

  • Household and kitchen appliances

  • Personal care appliances

  • Medical or dental equipment

  • Fixed machinery.


You must

Make sure switches are safe

WAC 296-807-11005



WAC 296-807-11005

Make sure switches are safe

You must

(1) Make sure the operating switch is located in a position that makes it difficult to accidentally operate the tool.

(2) Use the correct operating switch.

  • 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.

  • 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.


  • 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:

- Drills

– Tappers

– Fastener drivers

– Grinders using a wheel greater than 2 inches in diameter

– Disc sanders

– Belt sanders

– Reciprocating saws

– Saber, scroll and jig saws using a blade with a shank width greater than 1/4 inch

– Other similarly operating powered tools.

  • You can use a positive "on-off" switch with these hand-held tools:

    – Platen sanders

    – Grinders using a wheel 2 inches or less in diameter

    – Routers

    – Planers

    – Laminate trimmers

    – Nibblers

    – Shears

    – Saber, scroll and jig saws using a blade with a shank width of 1/4 inch (± .05 inch) or less.



The shank width of saber, scroll and jig saw blades is measured at the narrowest point on the blade shank.


End of main content, page footer follows.

Access Washington official state portal

© Washington State Dept. of Labor & Industries. Use of this site is subject to the laws of the state of Washington.