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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: A good mechanical connection is best posted by RioTubes on July 30, 2007 at 07:55:29:
I stick in an unconnected IEC plug when soldering the inlet for use as a heat sink and to prevent those little prongs from wiggling with heat. A bit of external flux is also of great help in soldering the think wire to the prongs.
I do not believe the splayed ends are an issue as long as you solder all the strands to the tab. In fact I prefer the splayed approach as you then have more copper making a closer contact to the the tab. I usually am quite generous with the solder I apply, making a nice fillet on the mating surfaces, and I will use heat shrink over the connection afterwards to insure contact. You can also wrap the wire around the tab before soldering for a stronger mechanical fitting.
For a soldered joint, the UL perceived danger is that a continuous high current draw can melt the solder and lead to a short circuit, hence their recommendation for a mechanical joint (although you can then solder the mechanical joint). Don't use undersized wire in this case, although your internal fuses should kick in before such an event occurs.
Stu
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Follow Ups
- RE: A good mechanical connection is best - unclestu52 11:54:33 07/30/07 (0)
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