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[San Dona' di P. JN]

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VK2TV  > TECH     22.03.08 03:30l 41 Lines 1505 Bytes #999 (0) @ WW
BID : 35459_VK2TV
Read: GUEST
Subj: Re: UK 13A Fused Mains Plug
Path: IZ3LSV<IW2OHX<IR2UBX<IV3SCP<SR1BSZ<ON4HU<F5GOV<F4BWT<YO6PLB<VE2PKT<
      VK2DOT<VK5ZAR<VK2TV
Sent: 080322/0046Z @:VK2TV.#MNC.NSW.AUS.OC #:34784 [Kempsey, QF68JX] $:35459_VK
From: VK2TV@VK2TV.#MNC.NSW.AUS.OC
To  : TECH@WW



# Generated by: TstHWin v2.21b - Registered to VK2TV
# On : 3/22/2008 11:46:14 
# UTC: 3/22/2008 0:46:14 A


>From: M1BYT@GB7FCR.#16.GBR.EU
>To  : TECH@WW
>
>
>G8MNY Opined with considerable skill:-
>>  3/ Offer up the lead & measure off each colour wire to the right
>>      terminal & strip the wire insulation off, not damaging the wires.
>>
>>   4/ For thick wires just stripped wire to length & trim excess length off,
>>      twist bare ends for stability. For thin wires consider twisting &
>>      folding the wire to make it a suitable size to the terminal if needed.
>
>I'll just add to that, that I make the earth wire just a touch longer than it
>need be - that means it will likely be the last wire to pull out, rather than
>the first, should the flew come under tension.
>
>One thing I learned quite recently...
>
>Never solder tin the wire ends. The solder can creep under pressure in the
>terminals and cause poor high resistance connections. That applies to lots of
>similar connections, not just 13amp plug fitting. In the days before
>appliances came with plugs already fitted, you would often find the flex end
>ready stripped and the ready bared wires pre-tinned.

Another problem that arises from tinning the ends of wires is that it creates
a stress point where the solder finishes along the wire. In a situation where
flexing of the cable is encountered, this can lead to wire breakage at the
stress point.

Cheers ... Ray vk2tv


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