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Molex connector sexual orientation

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bmeyette

Joined: 14 Mar 2007
Posts: 72
Location: Cornish, NH

Posted: Thu Mar 15, 2007 9:40 am Post subject: Molex connector sexual orientation

I was putting together some Molex connectors for the first time.  The plastic parts have a male and a female half.   The terminals also are either male or female.



However, I am a bit unclear as to how to mate these parts.   Intuition would tell me that the male terminals go into the male plastic part.  Yet, I have a feeling it's actually the other way around.



Is a male metal terminal supposed to go into the male plastic housing, or the female plastic housing, or doesn't it matter?



thanks,

brian

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_________________
Brian Meyette, Cornish, NH

RV-7A QB tipup, supercharged Subaru STi engine, MT CS prop, all glass day/night/IFR panel, being built with solar and wind power

N432MM

http://brian76.mystarband.net/RV-7Ahome.htm

ronr(at)advanceddesign.co
Guest

Posted: Thu Mar 15, 2007 9:54 am Post subject: Molex connector sexual orientation

Brian



Here is the molex web site. You should be able to find your answer here.



Regards



Ron Raby

http://www.molex.com

---

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rhdudley1(at)bellsouth.ne
Guest

Posted: Thu Mar 15, 2007 9:55 am Post subject: Molex connector sexual orientation

Brian,

I believe that you can think of  the male pins being protected by what 

you call the "female" shell. The female receptacle pins are protected by 

being internal in the "male" shell. So both are mechanically shielded by 

their shells.

Hope this helps.

Richard Dudley

RV-6A flying



bmeyette wrote:



 	  Quote: 	
		  



I was putting together some Molex connectors for the first time.  The plastic parts have a male and a female half.   The terminals also are either male or female.



However, I am a bit unclear as to how to mate these parts.   Intuition would tell me that the male terminals go into the male plastic part.  Yet, I have a feeling it's actually the other way around.



Is a male metal terminal supposed to go into the male plastic housing, or the female plastic housing, or doesn't it matter?



thanks,

brian



--------

Brian Meyette, Cornish, NH



RV-7A QB tipup, Eggenfellner supercharged STi engine, MT CS prop, all glass day/night/IFR panel, being built with solar and wind power



N432MM reserved



http://brian76.mystarband.net/RV-7Ahome.htm





Read this topic online here:



http://forums.matronics.com/viewtopic.php?p=100754#100754

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Bruce(at)glasair.org
Guest

Posted: Thu Mar 15, 2007 10:05 am Post subject: Molex connector sexual orientation

The male pins go in the female connector. Such is life!



Bruce

www.glasair.org

 



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echristley(at)nc.rr.com
Guest

Posted: Thu Mar 15, 2007 10:30 am Post subject: Molex connector sexual orientation

bmeyette wrote:



 	  Quote: 	
		  



I was putting together some Molex connectors for the first time.  The plastic parts have a male and a female half.   The terminals also are either male or female.



However, I am a bit unclear as to how to mate these parts.   Intuition would tell me that the male terminals go into the male plastic part.  Yet, I have a feeling it's actually the other way around.



Is a male metal terminal supposed to go into the male plastic housing, or the female plastic housing, or doesn't it matter?



  



While technically it will work either way, the convention is that boys 
	


go with girls.   Your intuition is correct in this case.



-- 

         ,|"|"|,              Ernest Christley       |

----===<{{(oQo)}}>===----    Dyke Delta Builder      |

        o|  d  |o        http://ernest.isa-geek.org  |

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klehman(at)albedo.net
Guest

Posted: Thu Mar 15, 2007 11:49 am Post subject: Molex connector sexual orientation

Yes that is what I do.

In addition though I always arrange that the male shell (plastic 

surrounds each female pin) is wired to the side that is hot (hardwired 

to aircraft power). That insures that two pins can't be pushed together 

and short out the power source. These are low cost connectors and that 

can happen even sometimes while trying to connect the two halves.

Ken

Murphy Rebel, subaru ej22, built with cheap grid power in a shop heated 

by wood grown with solar power...   



Richard Dudley wrote:



 	  Quote: 	
		   

 <rhdudley1(at)bellsouth.net>



 Brian,

 I believe that you can think of  the male pins being protected by what 

 you call the "female" shell. The female receptacle pins are protected 

 by being internal in the "male" shell. So both are mechanically 

 shielded by their shells.

 Hope this helps.

 Richard Dudley

 RV-6A flying



 bmeyette wrote:



> 

> <brianpublic2(at)starband.net>

>

> I was putting together some Molex connectors for the first time.  The 

> plastic parts have a male and a female half.   The terminals also are 

> either male or female.

>

> However, I am a bit unclear as to how to mate these parts.   

> Intuition would tell me that the male terminals go into the male 

> plastic part.  Yet, I have a feeling it's actually the other way around.

>

> Is a male metal terminal supposed to go into the male plastic 

> housing, or the female plastic housing, or doesn't it matter?

>

> thanks,

> brian

>

> --------

> Brian Meyette, Cornish, NH

>

> RV-7A QB tipup, Eggenfellner supercharged STi engine, MT CS prop, all 

> glass day/night/IFR panel, being built with solar and wind power

>

> N432MM reserved

>

> http://brian76.mystarband.net/RV-7Ahome.htm

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n801bh(at)NetZero.com
Guest

Posted: Thu Mar 15, 2007 3:01 pm Post subject: Molex connector sexual orientation

Don't ask,,, don't tell... 

Sorry, i had to say it.. <G> 

I agree with Ken, the male prongs can short if touched to something so make that the load side. The line side should be the female electrical fittings. 

do not archive

Ben Haas

N801BH

www.haaspowerair.com



-- Ken <klehman(at)albedo.net> wrote:

--> AeroElectric-List message posted by: Ken <klehman(at)albedo.net>



Yes that is what I do.

In addition though I always arrange that the male shell (plastic 

surrounds each female pin) is wired to the side that is hot (hardwired 

to aircraft power). That insures that two pins can't be pushed together 

and short out the power source. These are low cost connectors and that 

can happen even sometimes while trying to connect the two halves.

Ken

Murphy Rebel, subaru ej22, built with cheap grid power in a shop heated 

by wood grown with solar power...   



Richard Dudley wrote:



[quote] --> AeroElectric-List message posted by: Richard Dudley 

 <rhdudley1(at)bellsouth.net>



 Brian,

 I believe that you can think of  the male pins being protected by what 

 you call the "female" shell. The female receptacle pins are protected 

 by being internal in the "male" shell. So both are mechanically 

 shielded by their shells.

 Hope this helps.

 Richard Dudley

 RV-6A flying



 bmeyette wrote:



> --> AeroElectric-List message posted by: "bmeyette" 

> <brianpublic2(at)starband.net>

>

> I was putting together some Molex connectors for the first time.  The 

> plastic parts have a male and a female half.   The terminals also are 

> either male or female.

>

> However, I am a bit unclear as to how to mate these parts.   

> Intuition would tell me that the male terminals go into the male 

> plastic part.  Yet, I have a feeling it's actually the other way around.

>

> Is a male metal terminal supposed to go into the male plastic 

> housing, or the female plastic housing, or doesn't it matter?

>

> thanks,

> brian

>

> --------

> Brian Meyette, Cornish, NH

>

> RV-7A QB tipup, Eggenfellner supercharged STi engine, MT CS prop, all 

> glass day/night/IFR panel, being built with solar and wind power

>

> N432MM reserved

>

> http://brian76.mystarband.net/RV-7Aho================================================p;Use the Matronics List Features Navigator&nbshive Search & Download, 7-Day Browse, ===============================================   [quote][b]

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rdunhamtn(at)hotmail.com
Guest

Posted: Sat Mar 17, 2007 4:34 am Post subject: Molex connector sexual orientation

Brian,



It doesn't matter at all!



When the two halves are mated together, there is no chance of a short 

between the pins and you ALWAYS disconnect the BAT ground before fooling 

with ANYTHING elctrical, don't you???



I use these goodies a lot and I seldom put all of one "sex" on one end. I 

mix them up so that I can't accidentally connect two connectors that don't 

belong together. For instance, on my Blue Sea fuse block I twisted pairs and 

assigned the "1" fuse to the "1" pin on my "molex" connector. The 

corresponding ground (built in to the Blue Sea fuse block) went to the "2" 

pin and so on. Grounds are male and +12V are female. There are 6 fuses on 

one side numbered odd 1 through 11 and 6 on the other side numbered even 2 

through 12. So... on the even side, the "1" pin is ground (male) and the "2" 

pin is +12V (female) and so on... Both shells are female so I cannot 

accidentally connect the two together. Besides, if the BAT ground is 

disconnected, it wouldn't hurt to do so anyway! Each wire or bundle is 

clearly labeled at the connector.



I just make each one unigue and there is a good mix of 2, 3, 4, 6, 9 and 12 

pin connectors. No two are the same so it isn't possible to connect anything 

wrong. If it fits, it right! Always read the label. And ALWAYS disconnect 

BAT ground before working on your plane! Simple.



Rodney in Tennessee



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