Electrical Systems

A forum to discuss marine electrical systems design, electrical components, sources, and techniques.

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  1. CDK

    exploded battery

    CDK, Apr 30, 2015 ... 4 5 6
    Replies:
    86
    Views:
    25,773
    powerabout
    Jun 15, 2018
  2. Yobarnacle

    Kerosene Generator..How To?

    Yobarnacle, Jan 4, 2012 ... 4 5 6
    Replies:
    81
    Views:
    27,419
    Yobarnacle
    Jan 13, 2012
  3. Katoh

    Battery Cable Size?

    Katoh, Oct 20, 2011 ... 2 3 4
    Replies:
    53
    Views:
    35,887
    Yobarnacle
    Dec 9, 2011
  4. jdory

    size of lithium battery bank - 3.2v cells

    jdory, Oct 4, 2018 ... 2 3 4
    Replies:
    51
    Views:
    7,356
    BlueBell
    Feb 28, 2019
  5. terabika

    cheap 12 volts!!!!

    terabika, Aug 27, 2005 ... 2 3 4
    Replies:
    48
    Views:
    14,690
    Ike
    Oct 13, 2006
  6. Mark Emaus

    Marine Wire

    Mark Emaus, Oct 8, 2009 ... 2 3
    Replies:
    44
    Views:
    14,339
    Mark Emaus
    Oct 17, 2009
  7. DennisRB

    LEDs for less power consumption

    DennisRB, Oct 7, 2010 ... 2 3
    Replies:
    43
    Views:
    10,139
    rxcomposite
    Dec 3, 2020
  8. Nordic Cat

    Experience with bus based power systems?

    Nordic Cat, Oct 11, 2008 ... 2 3
    Replies:
    42
    Views:
    12,910
    pamarine
    Sep 29, 2009
  9. fallguy

    Spade terminals

    fallguy, Feb 26, 2022 ... 2 3
    Replies:
    41
    Views:
    4,546
    fallguy
    May 3, 2022
  10. fallguy

    AC DC grounding

    fallguy, Nov 8, 2022 ... 2 3
    Replies:
    37
    Views:
    4,755
    gonzo
    Nov 16, 2022
  11. drs3317

    Galvanic isolator

    drs3317, Jan 10, 2005 ... 2 3
    Replies:
    35
    Views:
    22,212
    Theodora
    Jun 19, 2006
  12. chuckms

    Grounding

    chuckms, Mar 27, 2011 ... 2 3
    Replies:
    31
    Views:
    11,821
    Mark Cat
    Jul 12, 2011
  13. D.I.M.1

    Best Navigation Lighting.

    D.I.M.1, Nov 3, 2009 ... 2 3
    Replies:
    31
    Views:
    10,459
    WickedGood
    Aug 31, 2010
  14. fredscat

    Basic wiring questions

    fredscat, Oct 2, 2010 ... 2 3
    Replies:
    30
    Views:
    9,022
    yipster
    Jun 24, 2011
  15. terabika

    why no solder???

    terabika, Aug 27, 2005 ... 2 3
    Replies:
    30
    Views:
    10,303
    scubajohn
    Apr 19, 2006
  16. missinginaction

    Lightning protection

    missinginaction, Sep 8, 2013 ... 2
    Replies:
    28
    Views:
    11,809
    Charlyipad
    May 14, 2015
  17. Landlubber

    Battery Cables & Bow Thrusters

    Landlubber, Oct 1, 2007 ... 2
    Replies:
    28
    Views:
    8,907
    TerryKing
    Nov 25, 2007
  18. Westerly23

    calculating wire length

    Westerly23, Mar 26, 2007 ... 2
    Replies:
    28
    Views:
    7,170
    TerryKing
    Mar 29, 2007
  19. nnyerges

    One Starting Battery For Two Engines?

    nnyerges, Nov 11, 2011 ... 2
    Replies:
    27
    Views:
    13,374
    nnyerges
    Jan 23, 2012
  20. shotgunsmitty

    Electrical problem on a 4W Freedom 160

    shotgunsmitty, Mar 13, 2006 ... 2
    Replies:
    27
    Views:
    6,520
    shotgunsmitty
    Jun 19, 2006
  21. LP

    Wiring diagram for an O/B.

    LP, Apr 10, 2009 ... 2
    Replies:
    26
    Views:
    42,222
    CDK
    Sep 13, 2012
  22. Highroller63

    Wierd Electrical issue Please Help!

    Highroller63, Jul 10, 2022 ... 2
    Replies:
    25
    Views:
    3,148
    Sparky568
    Sep 10, 2022
  23. Charlyipad

    Help with catamaran wiring and layout

    Charlyipad, Feb 28, 2015 ... 2
    Replies:
    24
    Views:
    7,317
    Charlyipad
    Apr 19, 2015
  24. gdufus

    charging a 24v starter bank with a 12v alternator

    gdufus, Sep 5, 2011 ... 2
    Replies:
    24
    Views:
    14,330
    BertKu
    Dec 12, 2011
  25. Gould1

    Shore power grounding

    Gould1, Apr 20, 2010 ... 2
    Replies:
    24
    Views:
    16,771
    capt littlelegs
    Apr 21, 2010
  26. WesS

    Fuses

    WesS, Feb 18, 2010 ... 2
    Replies:
    24
    Views:
    5,192
    TollyWally
    Feb 21, 2010
  27. missinginaction

    Navigation Light Wiring for Dual Stations

    missinginaction, Feb 9, 2013 ... 2
    Replies:
    23
    Views:
    33,029
    missinginaction
    Jun 13, 2013
  28. Frosty

    Pos and Neg Battery switching

    Frosty, Jul 9, 2011 ... 2
    Replies:
    23
    Views:
    7,613
    aswin
    Jul 18, 2011
  29. Poida

    Ammeter V Voltmeter

    Poida, Nov 23, 2006 ... 2
    Replies:
    23
    Views:
    18,366
    StianM
    Dec 11, 2006
  30. seadreamer6

    DC vs AC which is better on boats

    seadreamer6, Nov 6, 2012 ... 2
    Replies:
    20
    Views:
    23,290
    VertexMarine
    Sep 9, 2013
  31. grpqueen

    LED lighting,12volt household/marine ?

    grpqueen, Apr 15, 2010 ... 2
    Replies:
    20
    Views:
    17,572
    ULightsUSA
    Nov 23, 2012
  32. wallguy31

    24V and 12V

    wallguy31, Feb 27, 2006 ... 2
    Replies:
    20
    Views:
    18,419
    BassMan25
    Apr 9, 2007
  33. MikeJohns

    Replacment Rectifier for MIG Welder

    MikeJohns, Sep 18, 2011 ... 2
    Replies:
    19
    Views:
    27,062
    MikeJohns
    Mar 5, 2018
  34. Lady Sophie

    24v vs. 12v - any advantages?

    Lady Sophie, Nov 26, 2012 ... 2
    Replies:
    19
    Views:
    42,555
    Mark Cat
    Jun 14, 2013
  35. Portager

    Boat Generators

    Portager, Mar 5, 2004 ... 2
    Replies:
    19
    Views:
    15,517
    StianM
    May 11, 2006
  36. Bob7

    Interior LED Lighting

    Bob7, Mar 13, 2012 ... 2
    Replies:
    18
    Views:
    6,089
    therollingfrog
    May 20, 2012
  37. Brylk1830

    What to use to crimp 8 AWG wire?

    Brylk1830, Aug 14, 2008 ... 2
    Replies:
    18
    Views:
    25,779
    TerryKing
    Nov 20, 2008
  38. MCDUNK

    Typical wiring schematic/diagram

    MCDUNK, May 28, 2006 ... 2
    Replies:
    17
    Views:
    412,763
    bubbajackson
    Jul 13, 2012
  39. musun

    FlyBridge Research

    musun, Dec 5, 2010 ... 2
    Replies:
    17
    Views:
    5,680
    apex1
    Jan 11, 2011
  40. clctrader

    running a generator with my own boat motor ??? Please read and give me some ideas!

    clctrader, Jun 15, 2010 ... 2
    Replies:
    17
    Views:
    8,738
    BTPost
    Jun 19, 2010
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