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From: Fred Bloggs
User-Agent: Mozilla/5.0 (Windows; U; Win 9x 4.90; en-US; rv:1.0.1) Gecko/20020823 Netscape/7.0
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Subject: Re: Triac controlled holiday lights
References: <email@example.com> <3DEACF7A.firstname.lastname@example.org> <3DEB86D3.B25F29C4@flash.net>
Date: Mon, 02 Dec 2002 16:15:19 GMT
NNTP-Posting-Date: Mon, 02 Dec 2002 08:15:19 PST
Organization: EarthLink Inc. -- http://www.EarthLink.net
No- I don't think so- depends on how he has it packaged. It will not be
necessary if he uses standard cord-sets sealed into a plastic waterproof
Richard Lamb wrote:
> Do you really need the isolation for something like this?
> Fred Bloggs wrote:
>>>>One obvious solution would be to put a diode in
>>>>series with each string of bulbs.
>>>That will give you about 84V RMS, not the
>>>60 or so you were hoping for.
>>Right- and if he blanks every other cycle then he hits 60Vrms right on.
>>He has the opto's and thyristors in place to do this easily- no phase
>>modulation-just simple integer cycle switching.
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