[Public-List] LED conversions

Jeff Randall jcrandall1956 at gmail.com
Mon Mar 15 09:34:37 PDT 2021


Good to know and a very simple test.  I replaced the anchor light a couple of years ago.  Obviously it is right next to the vhf antenna.   Test is on the checklist 

Sent from my iPhone

> On Mar 15, 2021, at 12:12 PM, Paul Wilson <dcmcrider at gmail.com> wrote:
> 
> Anyone installing LED lighting on a boat needs to be aware of FCC Part 15 regulations regarding unintentional radiators of RF energy (spurious emissions in the radio spectrum that cause interference.) Cheap, untested, and non-compliant lighting can wreak havoc on your boat's electronics. Back in 2018 the Coast Guard put out a warning on non-compliant LED lighting used in marine applications.
> 
> https://www.dco.uscg.mil/Portals/9/DCO%20Documents/5p/CG-5PC/INV/Alerts/1318.pdf?ver=2018-08-16-091109-630
> 
> The Coast Guard alert also walks through a simple testing procedure to see if your lighting causes problems (at least in the VHF portion of the radio spectrum).
> 
>> On Mon, Mar 15, 2021 at 11:43 AM Jeff Randall via Public-List <public-list at lists.alberg30.org> wrote:
>> Thanks all.  Some great electronic considerations I’d not thought of. Any more  suggestions on the particular product you’d purchase 
>> 
>> Jeff
>> 
>> 
>> Sent from my iPhone
>> 
>> > On Mar 13, 2021, at 12:34 AM, Kris Coward via Public-List <public-list at lists.alberg30.org> wrote:
>> > 
>> > 
>> > Also worth checking the amps you're going to be drawing in the first
>> > place; 1A is usually enough. I went with the regulator that I did
>> > because the drop-out voltage was low enough that I could still
>> > realistically expect the lights to get 12V out of any normally
>> > encountered supply voltage from the DV system. If you do need 2A, I
>> > _think_ they can be paralleled pretty safely.
>> > 
>> > -K
>> > 
>> >> On Sat, Mar 13, 2021 at 02:48:39AM +0300, Rod via Public-List wrote:
>> >> 
>> >> A good tip, Kris.  Something to add to my LED conversions.  Digikey.ca shows that item as obsolete but they did show NJM2388F12 but that has only a 1 amp rating.   Maybe there is something else available with your 2 amp rating. 
>> >> --
>> >> Cheers,   Rod
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>> > -- 
>> > Kris Coward                    http://unripe.melon.org/
>> > GPG Fingerprint: 2BF3 957D 310A FEEC 4733  830E 21A4 05C7 1FEB 12B3
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