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T.R. Bauer
Joined: 17 Nov 2007
Posts: 1726
City/Region: Wasilla
State or Province: AK
C-Dory Year: 1993
C-Dory Model: 22 Cruiser
Vessel Name: C-Whisperer
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 Posted: Wed Dec 08, 2021 7:52 pm Post subject: |
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| Welding suppliers have this stuff a lot of times. The ends? No. |
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crowleykirk
Joined: 05 Jul 2019
Posts: 93
City/Region: Friday Harbor
State or Province: WA
C-Dory Year: 2020
C-Dory Model: 23 Venture
Vessel Name: C-Life
Photos: C-Life
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| Posted: Wed Dec 08, 2021 9:28 pm Post subject: Wow... some really good info here..... |
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Thanks for all the input:-)
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Kirk Williams |
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Karl Konecny
Joined: 09 May 2019
Posts: 90
City/Region: Glide
State or Province: OR
C-Dory Year: 2008
C-Dory Model: 22 Cruiser
Vessel Name: Nowhere Fast
Photos: Nowhere Fast
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| Posted: Thu Dec 09, 2021 7:19 pm Post subject: |
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You should always use a power cable that is rated for 30 amps if you are connecting to a 30 supply even if your internal main breaker will trip at 15 amps. The 15 amp main breaker only protects components 'downstream' of it, it does not protect your input cable. For example, if you had a short where the cable plugs into the boat (water intrusion) and that short did not except 30 amps, no breaker would trip and, if the cable or plug could not carry 30 amps, you would be risking an electrical fire.
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"Believe me my young friend, there is nothing-absolutely nothing-half so much worth doing as simply messing around in boats."
Rat to Mole, Wind in the Willows |
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thataway
Joined: 02 Nov 2003
Posts: 20814
City/Region: Pensacola
State or Province: FL
C-Dory Year: 2007
C-Dory Model: 25 Cruiser
Vessel Name: thataway
Photos: Thataway
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| Posted: Thu Dec 09, 2021 11:12 pm Post subject: |
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| Karl Konecny wrote: | | You should always use a power cable that is rated for 30 amps if you are connecting to a 30 supply even if your internal main breaker will trip at 15 amps. The 15 amp main breaker only protects components 'downstream' of it, it does not protect your input cable. For example, if you had a short where the cable plugs into the boat (water intrusion) and that short did not except 30 amps, no breaker would trip and, if the cable or plug could not carry 30 amps, you would be risking an electrical fire. |
The Marinco plug where the cord plugs into the boat is the most common point of electrical boat fires. This is due to wiggling of the plug, and then minor arcing, which builds up carbon and increases resistance, which makes the situation worse, and eventually over heating. If you are continuing with the Marinco plug, always screw the black plastic (some are Chrome metal) ring into the threads on the inlet to prevent movement. Or get the Smart Plug input. (there is more surface area) thus less arcing potential.
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Bob Austin
Thataway
Thataway (Ex Seaweed) 2007 25 C Dory May 2018 to Oct. 2021
Thisaway 2006 22' CDory November 2011 to May 2018
Caracal 18 140 Suzuki 2007 to present
Thataway TomCat 255 150 Suzukis June 2006 thru August 2011
C Pelican; 1992, 22 Cruiser, 2002 thru 2006
Frequent Sea; 2003 C D 25, 2007 thru 2009
KA6PKB
Home port: Pensacola FL |
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smckean (Tosca)
Joined: 18 Jan 2014
Posts: 975
City/Region: Guemes Island (Anacortes)
State or Province: WA
C-Dory Year: 2005
C-Dory Model: 25 Cruiser
Vessel Name: Tosca
Photos: Tosca
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| Posted: Fri Dec 10, 2021 1:01 pm Post subject: |
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| Quote: | | The Marinco plug where the cord plugs into the boat is the most common point of electrical boat fires. |
Tosca had just such a fire under its previous ownership. It was while the boat was in storage at his home. He felt lucky that he caught it in time.
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Sandy McKean
Purchased Tosca in 2014
Re-powered to Yammi 200 in 2015 |
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smckean (Tosca)
Joined: 18 Jan 2014
Posts: 975
City/Region: Guemes Island (Anacortes)
State or Province: WA
C-Dory Year: 2005
C-Dory Model: 25 Cruiser
Vessel Name: Tosca
Photos: Tosca
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| Posted: Fri Dec 10, 2021 1:03 pm Post subject: |
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| Quote: | | The 15 amp main breaker only protects components 'downstream' of it, it does not protect your input cable. |
Good point Karl! |
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