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Electrician Talk Forum
This is what happens when you bypass safety devices
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<blockquote data-quote="Andy™" data-source="post: 474079" data-attributes="member: 2012"><p>open grill Deke. you can easily stick your hand / arm through them. this type of shutter requires photocell / other detection at the top to detect anyone stupid enough to hang onto them</p><p></p><p>there not usually much risk on shutters going up which is why you can have them self hold open without any safety, except for shutters like above. going down they need photocells &amp; safety edges or deadman</p></blockquote><p></p>
[QUOTE="Andy™, post: 474079, member: 2012"] open grill Deke. you can easily stick your hand / arm through them. this type of shutter requires photocell / other detection at the top to detect anyone stupid enough to hang onto them there not usually much risk on shutters going up which is why you can have them self hold open without any safety, except for shutters like above. going down they need photocells & safety edges or deadman [/QUOTE]
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This is what happens when you bypass safety devices
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