Tag Archives: relay

Adding Low Oil Pressure Safety Stop to Kohler 7000

Posted on August 30, 2026 by Brian Gallimore

I felt like the Kt745 Command 7000 Series 747 cc engine on my Bad Boy Zero Turn mower needed a low oil pressure safety shut off. These engines come with the feature if they were sold for a stationary application, … Continue reading →

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DIY Automatic Transfer Switch

Posted on January 28, 2024 by Brian Gallimore

I created an Automatic Transfer Switch (ATS) using a DPDT (2 switchover contacts) relay and 2 motor contactors linked with a mechanical interlock module.

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Wiring Schematic for Bad Boy ZTE Mower

Posted on December 25, 2023 by Brian Gallimore

I drew up a partial set (relay functions) of wiring schematics for a 2014 Bad Boy ZT Elite zero-turn mower. These hand-sketched drawings are based on the wiring diagram provided in the user manual. If you are like me, you … Continue reading →

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Relay Terminal Standard Numbers

Posted on May 16, 2013 by Brian Gallimore

I finally did a little research to see if there was any meaning behind the numbers I often see on relays.  Of course there is!  It is European standard EN 50005. NO: 3 and 4 NC: 1 and 2 Form … Continue reading →

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