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Wire & Connector Questions

Discussion in 'General Electronics Discussion' started by xxJaRxx, Jul 19, 2013.

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  1. xxJaRxx

    xxJaRxx

    34
    0
    Oct 16, 2011
    Hello,

    I am looking to buy some wire and connectors for a project but have a few questions.

    For my project I need two 35m wires going to a reed switch which is a fair distance (35m) away from the main circuity. I will also need two connectors (one on each wire) near the reed switch to allow me to plug/unplug the reed switch for removal.

    My main concerns regarding this is the length of the wire and how it will affect my circuit combined with the thickness of the wire I end up choosing. Also the compatibility of the wire with my chosen connectors.

    1. What is the difference between bell wire and equipment wire (terminology from Maplin.co.uk)? Is bell wire solid core and equipment wire multicore and therefore more flexible? Are there any advantages of one over the other?

    2. I currently have some 1/0.6 and some 7/0.2 wire which I am using. If I bought some 16/0.2 wire, would I encounter any problems? I think the 16/0.2 wire is slightly thicker, which should mean the resistance decreases, which should a positive thing due to the length of wire I require(?).

    http://www.maplin.co.uk/equipment-wire-16-0.2-6197

    3. For my connectors I was looking at some 'Insulated Crimp Terminal - Bullet Plugs/Sockets' from Maplin.co.uk, would these be suitable for my use with my wire?

    http://www.maplin.co.uk/insulated-crimp-terminal-bullet-plugs-42722
    http://www.maplin.co.uk/insulated-crimp-terminal-bullet-sockets-42724

    Sorry about the mass of information and questions, I have never worked with any length of wire before over about 20cm, so not sure how a big length will affect things!

    Cheers
    James
     
  2. sirch

    sirch

    109
    1
    Dec 6, 2012
    Is the wire going to be outside and if so is it going to be uncovered? The type of insulation could be important if it is exposed to UV, frost, etc.
     
  3. xxJaRxx

    xxJaRxx

    34
    0
    Oct 16, 2011
    Thanks for your reply. Yes the wire and connector will be outside and uncovered. Would it be best to wrap the wire in something to protect it or buy cable suitable for outdoors?

    James
     
  4. sirch

    sirch

    109
    1
    Dec 6, 2012
  5. xxJaRxx

    xxJaRxx

    34
    0
    Oct 16, 2011
    Hmm that one seems like overkill for my use, two of them together will be really chunky.

    Any other options? I don't really want to retro-use some random cable.

    James
     
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