Understanding Safety Rope Pull Switches

March 6, 2025 / in Machine Safety Blog
A Comprehensive Guide for Industry Professionals Over the years, I have visited many companies but realized I have not seen many rope pull switches installed. That could be because it was rare for me to frequent companies that used a lot of conveyor belts or large production line machinery. However, I have recommended installing rope…
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Anti-Restart Protection Devices

February 13, 2025 / in Machine Safety Blog
I frequently share blog posts with customers to inform them about various safety topics. Surprisingly, I realized I hadn’t written about anti-restart protection, which is a critical safety feature in many tools and machines. In brief, anti-restart protection prevents a machine from automatically restarting itself, such as during a power failure. One thing that I…
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Safety Relays Explained: A Guide to How It Works

October 1, 2024 / in Machine Safety Blog
Updated April 30, 2025 – Corrections made based on feedback. Thanks to Frank at Automated Machine Technologies for the input.Updated December 5, 2025 – Additional refinements were made to improve clarity around wiring practices, diagnostic behaviour, and OSSD signal explanations. Introduction A safety relay is an electromechanical or electronic device designed to reduce risk and…
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Two-Hand Control for Machine Safeguarding

June 3, 2024 / in Machine Safety Blog
An adequately installed two-hand control on an operating machine will keep its operators’ hands away from dangerous areas. These hazardous areas include dangers such as crush points. What’s a crush point? A crush point is any location where a body part might become trapped between two moving objects or one moving towards a stationary object….
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