Surely lockable defeats the objective of being able to isolate the motor quickly?
Surely lockable defeats the objective of being able to isolate the motor quickly?
so dave when do you write your installation rules...part of your bucket list you wont need to ask your electrical guys for advice
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Lockable in this case means once the plug top is removed from the socket disabling power to the circuit on the plug, some device is installed on the plug socket which does not sallow the plug top to be plugged in again. Part of safety for when an electrician is working on the circuit.
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There's several different makes of these things around. link link link They're nothing sexy, as long as it's lockable and these a sign on it then it fulfills the criteria. Mine all came from the UK but you can even make your own.
Do you mean plugs or sockets? If you're working on an appliance like a gate motor you wouldn't need to lock out the socket if you lock out the plug.
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Dave A (16-Feb-12)
I'm not sure if I'm understanding correctly here, you only need to lockout the actual supply if the appliance you're working on is hard wired in an isolator. If it's unpluggable then you can only effictively lock out by encapsulating the plug once you've pulled it. If you lockout the socket then there's nothing to stop somebody plugging it into an alternative supply like another socket or an extension lead. This wouldn't qualify as a safe lockout.
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thanks andy...pretty simple...a box around the the plug top...i suppose i have never had an application where i needed to lock out the plug top...most gate installations i have seen which are plugged into the garage are 12 volt.
ok now i see .i thought you meant the socket outlet. if that box could be permanently fixed to the cable i would more peace of mind.
most gate motors have the 12 volt supply and battery in its own box,so the supply cable is in any case 230 volt.
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