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BillyMac
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Recent content by BillyMac
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B
Working in enclosures with 120V live and 24V control
I've sold the idea of a lexan barrier as a prevention against accidental contact/shock. It's non-conductive property and distance from exposed terminals - usually 4"-6" standoffs - is critical. It is not intended to address the potential of arc flash/blast effects.
BillyMac
Post #14
Dec 18, 2020
Forum:
Safety
B
Delay between two start buttons.
Do you have any inputs to confirm direction of rotation or a zero speed switch? I would inhibit both start buttons until I have confirmed, not assumed, that the motor is not rotating.
BillyMac
Post #4
Dec 11, 2020
Forum:
General Automation Chat
B
Working in enclosures with 120V live and 24V control
A perspective from an Ontario Canada electrician and a JHSC member... as well-meaning as locking out the 120 to look at the 24 is, it's a pain in the... and virtually impossible without re-design of panels or flexibility in the safety rule application. I have gained some acceptance from H&S...
BillyMac
Post #5
Dec 11, 2020
Forum:
Safety
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