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Article #885Re: Transformer Troubles
From: Bob Jewett
Date: Thu, 20 Jul 1989 02:55
Date: Thu, 20 Jul 1989 02:55
19 lines
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1062 bytes
> I have a 120v/12v transformer driving about 25 12v, 20 > watt halogen bulbs (I am not sure of the output current of the trans- > former). ... > Since this is for a pre-wired house, not a lot of rearranging of bulbs, > wires, etc can be done. 12V and 20W implies about 2 amps per bulb, times 25 bulbs gives 50 amps. Check your wires out. If they are not rated for 50 amps, you are risking starting a fire. One solution that requires at least a little rewiring is to put 10 bulbs in series rather than parallel. > I appreciate any and all discussion about my problem... What does the electrical code in your area permit? Bob
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<65200004@hpl-opus.HP.COM>Path:
arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!bionet!agate!ucbvax!hplabs!hpl-opus!jewettReferences:
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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!bionet!agate!ucbvax!hplabs!hpl-opus!jewett From: jewett@hpl-opus.HP.COM (Bob Jewett) Newsgroups: sci.electronics Subject: Re: Transformer Troubles Message-ID: <65200004@hpl-opus.HP.COM> Date: 20 Jul 89 02:55:23 GMT References: <536@winnie.fit.edu> Organization: HP Labs, High Speed Electronics Dept., Palo Alto, CA Lines: 19