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East County Kona

  • Karma: +7/-0
10 awg enough for dash?
« on: January 05, 2016, 09:30:30 AM »
Morning,
Getting ready to place an order for wire, I'm curious if 10 awg will be enough to sufficiently power the dash? I'll be using a auxiliary solenoid so not worried on that side of things. 5 gauges and maybe a head unit later down the road.

Thanks for the input!


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GT Jets

  • Karma: +192/-0
Re: 10 awg enough for dash?
« Reply #1 on: January 05, 2016, 09:54:25 AM »
Yes,  the 10 awg will run up to 40 amps at 20'. Just be sure to provide adequate circuit protection. I often see a 50 amp breaker on 10 gauge wire. 50 amps is the max current on a 10 gauge. I believe as long as there is down stream fuses or beakers,  you will be more than fine.

Down stream meaning ignition,  lights,  stereo,  bilge pump etc.

Good luck. Don't forget the 10 gauge ground lead.

GT

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  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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Quote from: Brad @ SoCalJetBoats.com on December 22, 2009, 07:40:31 PM
If i get some free time tonight at work, ill play with it and post it for everyone to see.

Quote from: IRRebel on June 11, 2011, 07:30:45 PM
Time to man up and yank it John!  :banghead:
Ray

East County Kona

  • Karma: +7/-0
Re: 10 awg enough for dash?
« Reply #2 on: January 05, 2016, 10:03:17 AM »
Perfect, thanks again GT!


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B.CR33CH

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Re: 10 awg enough for dash?
« Reply #3 on: January 05, 2016, 10:32:51 AM »
 


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Re: 10 awg enough for dash?
« Reply #4 on: January 05, 2016, 11:11:56 AM »
Quote from: B.CR33CH on January 05, 2016, 10:32:51 AM



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Not sure where you got that, but it's completely full of shit.

Lol

GT

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  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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Quote from: Brad @ SoCalJetBoats.com on December 22, 2009, 07:40:31 PM
If i get some free time tonight at work, ill play with it and post it for everyone to see.

Quote from: IRRebel on June 11, 2011, 07:30:45 PM
Time to man up and yank it John!  :banghead:
Ray

GT Jets

  • Karma: +192/-0
Re: 10 awg enough for dash?
« Reply #5 on: January 05, 2016, 11:21:30 AM »
That chart is for less than 3% voltage drop. Check it for ten%

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  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
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Quote from: Brad @ SoCalJetBoats.com on December 22, 2009, 07:40:31 PM
If i get some free time tonight at work, ill play with it and post it for everyone to see.

Quote from: IRRebel on June 11, 2011, 07:30:45 PM
Time to man up and yank it John!  :banghead:
Ray

East County Kona

  • Karma: +7/-0
Re: 10 awg enough for dash?
« Reply #6 on: January 05, 2016, 11:28:40 AM »

Quote from: B.CR33CH on January 05, 2016, 10:32:51 AM



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That's going to come in handy! printing out now

Thank you!


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B.CR33CH

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Re: 10 awg enough for dash?
« Reply #7 on: January 05, 2016, 11:40:26 AM »

Quote from: GT Jets on January 05, 2016, 11:11:56 AM
Not sure where you got that, but it's completely full of shit.

Lol

GT

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 Yeah it is a little on the conservative side probably for multiple conductors and 3% voltage drop. this one is from American boat and yaht console. 3% and 10% VD


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Re: 10 awg enough for dash?
« Reply #8 on: January 05, 2016, 11:47:11 AM »
Quote from: B.CR33CH on January 05, 2016, 11:40:26 AM

 Yeah it is a little on the conservative side probably for multiple conductors and 3% voltage drop. this one is from American boat and yaht console. 3% and 10% VD


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Virtually everything we do calls for 10%.

The reasoning is pretty simple. Nothing we run runs at 100% duty cycle and most, if not all of the wire is "open air" and not in a conduit.

If this was a live aboard yacht, anything pertaining to "house loads", or "life/safety" follow the 3%, anything with a short duty cycle (starters,  bilge pumps,   windshield wipers,  horns,  trim devices etc.) follow the 10% chart.

Otherwise the boat will be so heavy with wire you'll need a blower to get on plane. Lmao.

GT

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  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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Quote from: Brad @ SoCalJetBoats.com on December 22, 2009, 07:40:31 PM
If i get some free time tonight at work, ill play with it and post it for everyone to see.

Quote from: IRRebel on June 11, 2011, 07:30:45 PM
Time to man up and yank it John!  :banghead:
Ray

B.CR33CH

  • Karma: +7/-0
Re: 10 awg enough for dash?
« Reply #9 on: January 05, 2016, 11:54:27 AM »

Quote from: GT Jets on January 05, 2016, 11:47:11 AM
Virtually everything we do calls for 10%.

The reasoning is pretty simple. Nothing we run runs at 100% duty cycle and most, if not all of the wire is "open air" and not in a conduit.

If this was a live aboard yacht, anything pertaining to "house loads", or "life/safety" follow the 3%, anything with a short duty cycle (starters,  bilge pumps,   windshield wipers,  horns,  trim devices etc.) follow the 10% chart.

Otherwise the boat will be so heavy with wire you'll need a blower to get on plane. Lmao.

GT

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lmao. The wire will cost more then the boat. yeah I understand completely


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