[Mg-t] Plug for "Inspection Lamp Socket"

[Mike Duvall]

I thought that just worked with AC to DC conversion because that is  
the example always given,  but as I look at the diagram, that is the  
best configuration given the diodes are cheap.....

For a hookup diagram go to: http://en.wikipedia.org/wiki/Diode_bridge




On Jun 23, 2008, at 10:29 AM, Bob Donahue wrote:

> Yes, the diode only lets the current flow one way. By using four  
> diodes in
> what's called a "bridge configuration", the device can even work  
> plugged in
> either way.
>
> Bob Donahue (Still Stuck in the '50s)
> Email - bobmgtd at comcast.net
> Cars:       52 MGTD - #17639
>                71 MGB - #GHN5UB254361
> Member:  NEMGTR #11470
>                NAMGBR # 7-3336
>                Hoosier MGB Club
>                Olde Octagons of Indiana
>
> ----- Original Message -----
> From: "Bob Howard" <mgbob at juno.com>
> To: <bobmgtd at comcast.net>
> Cc: <mg-t at autox.team.net>
> Sent: Wednesday, June 18, 2008 12:18 PM
> Subject: Re: [Mg-t] Plug for "Inspection Lamp Socket"
>
>
>> Bob,
>>   Does the use of the diode mean that if the device works it's OK,  
>> and
>> if it doesn't work there is no harm done -- just reverse the plug?
>> Bob
>>
>> On Wed, 18 Jun 2008 11:43:37 -0400 "Bob Donahue"  
>> <bobmgtd at comcast.net>
>> writes:
>>> A diode in series with one of the leads can protect the device
>>> against
>>> reverse polarity. I plan to put one in my "adapter".
>>>
>>> Bob Donahue (Still Stuck in the '50s)
>>> Email - bobmgtd at comcast.net
>>> Cars:       52 MGTD - #17639
>>>                71 MGB - #GHN5UB254361
>>> Member:  NEMGTR #11470
>>>                NAMGBR # 7-3336
>>>                Hoosier MGB Club
>>>                Olde Octagons of Indiana
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