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Other Vintage Household Electrical or Electromechanical Items For discussions about other vintage (over 25 years old) electrical and electromechanical household items. See the sticky thread for details.

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Old 20th Mar 2023, 5:46 pm   #21
Robsradio
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Default Re: Metamec electric clocks. Unsafe?

Maybe people will clear them out... time to look out at car boots and charity shops and save them!
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Old 20th Mar 2023, 6:06 pm   #22
G.Castle
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Default Re: Metamec electric clocks. Unsafe?

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Originally Posted by Robsradio View Post
Maybe people will clear them out... time to look out at car boots and charity shops and save them!
I was thinking that.

Logic and common sense do not exist in the modern world.
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Old 21st Mar 2023, 12:15 am   #23
McMurdo
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Default Re: Metamec electric clocks. Unsafe?

Here's a movement 'in storage'.

The bobbin is on a plastic former mounted on the laminations, which are connected with the rest of the clock; however the hands are all mounted on nylon sleeves and the only mounting of the mech to the case is to the perspex or acrylic body via deeply-set countersunk screws, themselves covered by the clock face. That's all then sealed behind the glass which is bolted to the same perspex body. Impossible to touch anything that might potentially become live in the event of a primary insulation breakdown (eg coil to laminations). It's almost double-insulated.

The clock dates from the late 60's.
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Old 21st Mar 2023, 9:07 am   #24
Mike Phelan
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Default Re: Metamec electric clocks. Unsafe?

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Originally Posted by Nickthedentist View Post
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I might put an earth lead on, but in my opinion if the motor is rewound with mains supply and a new supply cable there is hardly any risk.
Mike, Iím not sure if Iím misunderstanding what you sad, but are you really suggesting rewinding the coil on an already-working movement?
Not if it's already working, Nick. I was really referring to a clock that had stood in the shed for decades
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Old 21st Mar 2023, 9:44 am   #25
Nickthedentist
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Default Re: Metamec electric clocks. Unsafe?

I see, that makes perfect sense now
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