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THE WITZL Forums Junkie Toymods Social Secretary Location: Sydney Registered: July 2002	Re: Burning wires Fri, 17 October 2003 14:18 i find electric motors to be quite interesting devices really.... say for instance our little 10A thermo fan here... when running it draws around 10A. However, for that motor to "kick over" for the first time it requires a massive rush of current... which under "no-load" conditions on a typical electric motor is around 3-4 times the rated current (note: a fan on a motor is a load ) Now if that same motor were to start up under load, say with a fand attached to it, it can draw up to 10 and sometimes 20 times its rated operating current! /end electric motors lesson 1. p.s. Don't worry, that instantaneous start-up current is so short lived that relays have no problems with it, and nor would a fuse in most cases. Much like sideshow has mentioned [Report message to a moderator]

	Subject	Poster	Date
	Burning wires	SupraPete	Thu, 16 October 2003 23:41
	Re: Burning wires	Lambolica	Thu, 16 October 2003 23:46
	Re: Burning wires	SupraPete	Thu, 16 October 2003 23:50
	Re: Burning wires	Lambolica	Fri, 17 October 2003 00:04
	Re: Burning wires	oldcorollas	Fri, 17 October 2003 00:11
	Re: Burning wires	SupraPete	Fri, 17 October 2003 00:08
	Re: Burning wires	RobST162	Fri, 17 October 2003 00:09
	Re: Burning wires	SupraPete	Fri, 17 October 2003 00:15
	Re: Burning wires	Squid	Fri, 17 October 2003 02:50
	Re: Burning wires	Cressida Supra	Fri, 17 October 2003 02:57
	Re: Burning wires	Cool1	Fri, 17 October 2003 07:28
	Re: Burning wires	Cressida Supra	Fri, 17 October 2003 07:50
	Re: Burning wires	ta23	Sat, 18 October 2003 02:28
	Re: Burning wires	Cool1	Sat, 18 October 2003 02:54
	Re: Burning wires	THE WITZL	Fri, 17 October 2003 09:01
	Re: Burning wires	sideshow	Fri, 17 October 2003 12:19
	Re: Burning wires	THE WITZL	Fri, 17 October 2003 14:18
	Re: Burning wires	Scorpion	Sat, 18 October 2003 00:19
	Re: Burning wires	THE WITZL	Sat, 18 October 2003 06:52
	Re: Burning wires	ta23	Sat, 18 October 2003 07:04
	Re: Burning wires	Scorpion	Sat, 18 October 2003 08:20
	Re: Burning wires	Cool1	Sat, 18 October 2003 08:32
	Re: Burning wires	Cool1	Sat, 18 October 2003 14:49
	Re: Burning wires	ta23	Sun, 19 October 2003 03:12
	Re: Burning wires	Cool1	Sun, 19 October 2003 04:48
	Re: Burning wires	Scorpion	Sun, 19 October 2003 05:15
	Re: Burning wires	THE WITZL	Sun, 19 October 2003 06:58
	Re: Burning wires	sideshow	Sun, 19 October 2003 07:12
	Re: Burning wires	SupraPete	Sun, 19 October 2003 09:02
	Re: Burning wires	SupraPete	Sun, 19 October 2003 08:59
	Re: Burning wires	sideshow	Sun, 19 October 2003 09:44
	Re: Burning wires	Scorpion	Sun, 19 October 2003 11:14
	Re: Burning wires	Dabbid	Sun, 19 October 2003 12:26
	Re: Burning wires	sideshow	Sun, 19 October 2003 12:41
	Re: Burning wires	Cool1	Sun, 19 October 2003 12:44
	Re: Burning wires	SupraPete	Sun, 19 October 2003 23:17
	Re: Burning wires	SupraPete	Sun, 19 October 2003 23:19
	Re: Burning wires	AE82Gunner	Mon, 20 October 2003 01:21
	Re: Burning wires	THE WITZL	Mon, 20 October 2003 06:50
	Re: Burning wires	Scorpion	Mon, 20 October 2003 13:54

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