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Electrical connectors

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mjpienaar(at)shaw.ca
Guest

Posted: Thu Feb 25, 2010 10:13 pm Post subject: Electrical connectors

Hi All,

  

 What type of connectors do I use when connecting to  things such as the fuel pump and the fuel level senders.

  

 Regards

  

 Mike

   [quote][b]

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fredorosa(at)gmail.com
Guest

Posted: Fri Feb 26, 2010 3:51 am Post subject: Electrical connectors

Use the most secure connectors (ring type that bolt on).



On Fri, Feb 26, 2010 at 1:09 AM, Mike Pienaar <mjpienaar(at)shaw.ca (mjpienaar(at)shaw.ca)> wrote:

 [quote]       Hi All,

  

 What type of connectors do I use when connecting to  things such as the fuel pump and the fuel level senders.

  

 Regards

  

 Mike

    	  Quote: 	
		  



et="_blank">http://www.matronics.com/Navigator?KIS-List

tp://forums.matronics.com

_blank">http://www.matronics.com/contribution



	


[b]

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mjpienaar(at)shaw.ca
Guest

Posted: Fri Feb 26, 2010 7:11 am Post subject: Electrical connectors

Sorry, let me rephrase that, do I use a plug (if  yes then what type) or do I use a terminal block or something else.

  

 Thanks

  

 Mike

 [quote]   ---

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bakerocb

Joined: 15 Jan 2006
Posts: 727
Location: FAIRFAX VA

Posted: Fri Feb 26, 2010 7:11 am Post subject: Electrical connectors

2/26/2010



Hello Mike, If you are making in line wire to wire connections my preference 

is Molex AVIKRIMP, fully insulated, crimp on, male and female, quick 

disconnects. Here is a data sheet on the male version:



http://www.molex.com/molex/products/datasheet.jsp?part=active/0190010001_QUICK_DISCONNECTS.xml&channel=Products&Lang=en-US



and here is a data sheet on the female version:



http://www.mouser.com/ProductDetail/Molex/19003-0040/?qs=zb2cXSD1GSE7hqjLVfW3MA%3d%3d



These terminals will come in the standard red, yellow, and blue colors 

indicating the wire gage size that the terminal is intended to be used with. 

They will also come in different metal tab widths. The most popular width 

tab seems to be 0.250 inches. The female version is also used on a wire when 

the electrical device or fixture is equipped with male push on, or FASTON 

tabs.



Avikrimp terminals also come in ring versions for use in connecting wire to 

a threaded stud on the electrical fixture. Here is a sample data sheet:



http://www.molex.com/molex/products/datasheet.jsp?part=active/0190730168_RING_AND_SPADE_TER.xml&part=active/0640011500_APPLICATION_TOOLIN.xml&channel=Products&Lang=en-US



These come in a variety of wire gage sizes (red, yellow, and blue) and rings 

sizes to fit various stud sizes. Shop around. These are not cheap. Here is 

one potential source:



http://www.terminaltown.com/index.htm



You may go a bit cheaper by using insulated (but not fully insulated) 

terminals and covering them with heat shrink tubing, but unconnecting is 

then more difficult.



Here is one tool for crimping these terminals:



http://www.terminaltown.com/Pages/EclipseCrimpTools.html



Here is another one:



http://www.bandc.biz/pidgstylecrimptool.aspx



'OC' Says: "The best investment we can make is the effort to gather and 

understand knowledge."



=============================================



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bakerocb

Joined: 15 Jan 2006
Posts: 727
Location: FAIRFAX VA

Posted: Fri Feb 26, 2010 8:37 am Post subject: Electrical connectors

2/26/2010



Hello Again Mike, If you are connecting to a device that has just a few 

wires, say 3 or less, then connecting each wire individually is probably the 

easiest. See my earlier post on terminals to use when connecting wires 

individually.



If you are going to be connection many wires, and particularly if these 

wires will be disconnected and reconnected frequently during the aircraft's 

operation, then some kind of multi wire connector may be suitable.



When it comes to multi wire connectors many factors can influence the 

selection of the type of connector, such as: cost, amount of amperage per 

wire going through the connector, size of wire, frequency of disconnecting 

and reconnecting, accessibility of the connector, reliability of the 

connection, and probably some more factors that don't come to mind right 

now.



Some commonly used multi wire connector types are: D sub miniature, plastic 

block (such as AMP Mate n Lock, or Molex), and circular types, commonly 

called "Cannon Plugs".



There is no "one size fits all" solution. Why don't you give us a few of the 

specific connection problems that you are trying to solve and we can come up 

with some suggestions.



'OC' Says: "The best investment we can make is the effort to gather and 

understand knowledge."



PS: Terminal blocks for connecting to individual items spread througout the 

electrical system are probably one of the least favorite ways of making 

these connections.



========================================

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sstearns2(at)yahoo.com
Guest

Posted: Fri Feb 26, 2010 3:47 pm Post subject: Electrical connectors

Hi Mike,

  

 I used Amp CPC connectors, series 1.  My philosophy was that everything should have a quick disconnect connector on it.  Landing lights, fuel senders, trim servos, etc.  I also have a 16 pin connector at each wing root and six 16 pin connectors between the instrument panel and fuselage so I can remove the panel easily which I've had to do a lot more times then I ever thought I would.  I also put bellcrank bearings on the panel so it can fold down which has made things much, much easier.

  

 www.mouser.com has them.  It's a bit hard to find them on the website, but if you click on the catalog tab and look on page 1288 they are there.  

  

 I attached a picture of what I did.

  

 For me the electrical stuff seemed overwhelming initailly, but it ended up being the most fun part of the project.  

  

 I got pretty much everything electrical from mouser or http://www.bandc.biz/

  

 The military surplus places have great deals on wire sometimes.  Don't buy anything electrical from aircraft spruce.  They don't even spool the wire.

  

 Cheers,

 Scott



--- On Thu, 2/25/10, Mike Pienaar <mjpienaar(at)shaw.ca> wrote:



  	  Quote: 	
		  

From: Mike Pienaar <mjpienaar(at)shaw.ca>

Subject: Electrical connectors

To: "KISBUILDERS" <kis-list(at)matronics.com>

Date: Thursday, February 25, 2010, 10:09 PM



    Hi All,

  

 What type of connectors do I use when connecting to things such as the fuel pump and the fuel level senders.

  

 Regards

  

 Mike

 	  Quote: 	
		  



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