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Old 21st Feb 2019, 3:59 pm   #21
Brigham
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Default Re: Old Bulgin 3 pin mains socket/plugs

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Originally Posted by ms660 View Post
Looking into a Bulgin 3 pin chassis mounted plug (ie: 3 male pins) from the customers side with the location notch at the bottom the Live pin is on the right and the Neutral pin is on the left in a photo of the one I'm looking at.

Lawrence.
Which is, of course, the 'wrong way round'.
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Old 21st Feb 2019, 4:07 pm   #22
ms660
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Default Re: Old Bulgin 3 pin mains socket/plugs

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Originally Posted by Brigham View Post
Quote:
Originally Posted by ms660 View Post
Looking into a Bulgin 3 pin chassis mounted plug (ie: 3 male pins) from the customers side with the location notch at the bottom the Live pin is on the right and the Neutral pin is on the left in a photo of the one I'm looking at.

Lawrence.
Which is, of course, the 'wrong way round'.
Not so far as Bulgin was concerned....Here's a link to the photo I was referring to....which might or might not be allowed, I've include it for ID purposes only:

https://www.ebid.net/ie/for-sale/bul...-165048858.htm

Lawrence.
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Old 21st Feb 2019, 5:06 pm   #23
GrimJosef
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Default Re: Old Bulgin 3 pin mains socket/plugs

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Originally Posted by Brigham View Post
... Which is, of course, the 'wrong way round'.
Of course if having live and neutral the left/right 'wrong way round' really troubles anyone's OCD then there's an easy way to fix that .

Cheers,

GJ
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Old 21st Feb 2019, 6:51 pm   #24
hannahs radios
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Default Re: Old Bulgin 3 pin mains socket/plugs

We used those Bulgin connectors on a 550 Volts DC supply where I used to work, they were good never gave us any trouble. Despite what health and safety say they should be fine on a 250 VAC supply
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Old 21st Feb 2019, 7:30 pm   #25
Julesomega
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Default Re: Old bulgin 3 pin mains socket/plugs

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Originally Posted by snowman_al View Post
Take Care, unfortunately there are errors in the Plug and Socket Museum's pictures.
Picture 9 is wrong, L and N are the other way round. Picture 10 shows the correct wiring for the chassis mounted 'socket', not the 'plug'.
And the 5 Amp plug in picture 2 is wrong, the L and N are reversed again if looking at the plug face. (It is actually the layout for the chassis 'socket in picture 1.)
Thanks for the warning - I was just about to put the iron on! Picture 10 shows the free socket and chassis plug that I am using, with connections as expected. It's Picture 9 that they have got the wrong way round, as that mates with the plug in Picture 10
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Old 21st Feb 2019, 8:30 pm   #26
GrimJosef
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Default Re: Old Bulgin 3 pin mains socket/plugs

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Originally Posted by hannahs radios View Post
We used those Bulgin connectors ... Despite what health and safety say they should be fine ...
The connectors might be absolutely fine. Fact is though that 'health and safety' are also concerned for the toddler who may touch the contacts with his/her little fingers. They could be a lot less fine.

Cheers,

GJ
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Old 21st Feb 2019, 8:57 pm   #27
ms660
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Default Re: Old Bulgin 3 pin mains socket/plugs

For ID only, here's another one, with earth up top the Live pin is on the right and the Neutral pin is on the left when viewed from the pin side:

https://picclick.fr/Bulgin-3-Way-Cha...037860207.html

Lawrence.
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Old 22nd Feb 2019, 12:59 am   #28
JohnBG8JMB
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Default Re: Old Bulgin 3 pin mains socket/plugs

TOTALLY unsafe.
In 1971, the company started exporting radio paging systems to the USA. We went to the trouble of getting 110V transformers and USA mains plugs. The US product guy said ' caint use that, not UL approved. "What's wrong with it? [the Bulgin large 3 pin] It's OK in the UK".. He unscrewed the Bulgin plug, took the wires out, put them back, did up the plug and plugged the mains lead into the 110V. When the flash and bang subsided, we said 'I see what you mean' and changed to a USA UL approved wired in mains lead.

Comment was made- "Yah caint make things foolproof cause fools are so damned ingenious...all our stuff runs off 24VACDC then you only got to get 1 power unit approved once"

So yes, Bulgin were unsafe, even by the standards of the time. Wouldn't have passed BS 415, either.

John G8JMB
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