[C38] hanging lamp

Sun Sep 6 16:35:12 EDT 2015

Hello Bruce,

Thank you for your kind reply.  And, no, "Maybe one of our readers can 
shed more light on this topic" was not intended to be a pun, that was 
probably my adult beverage trying to help me put down words.

Tom Troncalli

On 9/5/2015 9:22 AM, Bruce Liese wrote:
> Tom,
>
> This is a wonderfully detailed response to David's question.  Thoughtful answers like these make the listserv so valuable.  They also make ownership of a 35+ y/o boat less terrifying.
>
> Just wanted to note that I agree with all you've said (from my own experiences with Crusader - #53).  I even found surface conduit that matches the cabin color so well that it's unnoticeable.
>
> Finally, I can't help but to chuckle at your comment, "Maybe one of our readers can shed more light on this topic."  Was that meant to be a pun?
>
> Anyway, hope you all have a fun, safe Labor Day weekend.
>
> Bruce S. Liese
> s/v Crusader (#53)
> Coronado, CA
>
>
> ________________________________________
> From: Listserve [listserve-bounces at catalina38.org] on behalf of Tom Troncalli [tdtron at earthlink.net]
> Sent: Friday, September 04, 2015 10:22 PM
> To: Catalina 38 Listserve
> Subject: Re: [C38] hanging lamp
>
> Hello David and group,
>
> When I sawed a 4" hole in my cabin top for a vent, I cut out an
> incredibly heavy piece of boat with no voids between the inner and outer
> cabin tops.  I saved the sample cutout just because I am a pack rat.
> The cutout makes for a very heavy paper weight.
>
> Surface conduit may be the best choice for cabin top retrofit wiring.
> It is very inexpensive and very easy to work with.
>
> Your lighting wiring harness is hidden where the hull and deck join and
> can be easily tapped into but for a professional upgrade, the original
> harness should be replaced with marine grade wiring in a heavier gauge
> than the original 16 gauge.  I think I used 10 or 12 gauge when I
> replaced my harness.
>
> The original harness started at the electrical panel and went counter
> clockwise around the boat at the hull to cabin top joint but dropped
> down at the forward v-berth lockers  where it then continued aft on the
> port side. to the galley or sail locker  My new harness was routed the
> same except I made my harness cross back to starboard at the engine room
> door to make a complete loop which gives less resistance than the
> original horse shoe shaped harness.  With a loop, every light can get
> electricity from both directions with very little additional wire being
> used which essentially cut the resistance to about half of what it would
> have been otherwise.  I have been told this system is OK on low voltage
> but against code on 120 volt circuits.  Maybe one of our readers can
> shed more light on this topic.  This technique is used on fire sprinkler
> systems in buildings so that water pressure is equally distributed to
> all sprinkler heads evenly.
>
> The original harness also used crimped three way connectors where the
> wires from the light met the lighting harness.  These three way crimp
> connectors can eventually fail according to the experience of myself and
> several other of our members.  You can use butt connectors to make a
> three way connection but the steel rivet in the middle of the original
> three way connectors would eventually rust causing electrical failure.
> The original three way connectors proved to be unreliable in a salt air
> corrosive marine environment.
>
> Some people have soldered their connections but they don't meet the boat
> manufacturer's code without enclosed junction boxes with internal wire
> supports or terminals or supports next to the junctions.   Where the
> solder terminates on the wire it can develop fatigue if the wire is
> allowed to flex and vibrate.  The wire can fail where the  wire meets
> the solder. If you do solder, all wires going to the solder joint must
> be supported near the solder junctions.
>
> Properly done, solder is forever and has the least electrical resistance.
>
> Tom Troncalli
> Former owner #95
>
>
>
>
> On 9/4/2015 6:36 PM, David Stoltz wrote:
>> Hello,
>> I'm installing a hanging electric lamp over the dining table and have a question. Does anyone know if there is a space between the inner cabin ceiling and the exterior cabin top?
>> If so, I would prefer to run the power cord through there.
>> Thanks as always.
>> David Stoltz
>> Andiamo #297
>> MdR
>>
>>
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>>
>>
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>>
>
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>