Many machine designers think of interlocks as exclusively electrical devices; a switch is attached to a movable mechanical guard, and the switch is connected to the control system. Trapped Key Interlocking is…
Read MoreFive reasons you should attend our Free Safety Talks

Reason #1 – Free Safety Talks You can’t argue with Free Stuff! Last week we partnered with Schmersal Canada and Franklin Empire to put on three days of Free Safety…
Read MoreQ & A: Can Safety PLCs be used for Lockout?

The question of lockout and the use of safety PLCs as a means to meet the lockout requirements comes up more and more frequently these days. Can Safety PLCs be used for…
Read MoreUpdates to Popular Articles
We’ve recently updated a couple of our popular articles! Check them out! Busting Emergency Stop Myths Reader Question: Multiple E‑Stops and Resets
Understanding the Hierarchy of Controls

(Eds. note: This article was originally written in 2011 and was updated in Nov. 2018.) The “Hierarchy of Controls” is one approach to risk reduction that has become entrenched in the…
Read MoreUsing E‑Stops in Lockout Procedures
Emergency stop devices are sometimes, incorrectly, used as part of a lockout procedure for machinery. Learn more about how to correctly used these devices as part of Hazardous Energy Control Procedures for industrial machinery.
Read MoreBusting Emergency Stop Myths

There are a number of myths that have grown up around emergency stops over the years. These myths can lead to injury or death, so it’s time for a little Myth Busting here on the MS101 blog!
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