Electrical Systems

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

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  1. tpenfield

    Switching the House Battery Bank to LiFePO4

    tpenfield, Sep 15, 2025
    Replies:
    3
    Views:
    3,260
    tpenfield
    Sep 16, 2025
  2. pitbull

    115 and 220 shore power breaker amperage

    pitbull, Aug 26, 2025
    Replies:
    2
    Views:
    965
    pitbull
    Aug 28, 2025
  3. fallguy

    AC DC grounding

    fallguy, Nov 8, 2022 ... 2 3 4
    Replies:
    54
    Views:
    14,702
    fallguy
    Jun 22, 2025
  4. RhuntIII

    Bonding Or grounding in the engine compartment

    RhuntIII, Feb 14, 2012 ... 2
    Replies:
    15
    Views:
    10,520
    jeff Lendall
    Nov 21, 2024
  5. rplank05

    Shore Power Electrical Wiring Help

    rplank05, Nov 19, 2024
    Replies:
    2
    Views:
    1,116
    fallguy
    Nov 20, 2024
  6. Jim Prouty

    Need help wiring twin helm boat

    Jim Prouty, Aug 23, 2023
    Replies:
    6
    Views:
    4,776
    sdowney717
    Oct 1, 2024
  7. fallguy

    Spade terminals

    fallguy, Feb 26, 2022 ... 2 3
    Replies:
    44
    Views:
    10,211
    sdowney717
    Oct 1, 2024
  8. Jim Price

    GFCI Problems on a Tiny Houseboat

    Jim Price, Aug 1, 2024 ... 2 3 4
    Replies:
    46
    Views:
    5,910
    sdowney717
    Sep 30, 2024
  9. cluttonfred

    Buehler simplified boat wiring scheme

    cluttonfred, Apr 2, 2024
    Replies:
    6
    Views:
    2,908
    Rumars
    Apr 3, 2024
  10. sad asd

    Extending cables - which regulations apply?

    sad asd, Jun 19, 2023
    Replies:
    2
    Views:
    2,329
    sad asd
    Jun 20, 2023
  11. Time Well Spent

    Battery switching help... Please.

    Time Well Spent, Feb 16, 2023
    Replies:
    2
    Views:
    2,761
    fallguy
    Feb 19, 2023
  12. Highroller63

    Wierd Electrical issue Please Help!

    Highroller63, Jul 10, 2022 ... 2
    Replies:
    25
    Views:
    5,509
    Sparky568
    Sep 10, 2022
  13. fallguy

    Catamaran Nav Lighting

    fallguy, Mar 8, 2022
    Replies:
    11
    Views:
    2,536
    fallguy
    Mar 9, 2022
  14. missinginaction

    Odyssey, East Penn, Trojan, .....which deep cycle do I choose?

    missinginaction, Mar 7, 2022
    Replies:
    4
    Views:
    2,713
    rangebowdrie
    Mar 7, 2022
  15. fallguy

    Grounds

    fallguy, Dec 28, 2021
    Replies:
    10
    Views:
    2,889
    rangebowdrie
    Feb 19, 2022
  16. fallguy

    Any ABYC electricians

    fallguy, Nov 8, 2021
    Replies:
    0
    Views:
    2,315
    fallguy
    Nov 8, 2021
  17. fallguy

    Passing wires thru composite

    fallguy, Dec 9, 2020
    Replies:
    11
    Views:
    3,293
    fallguy
    Sep 28, 2021
  18. fallguy

    Drying a computer locker

    fallguy, Oct 13, 2020
    Replies:
    10
    Views:
    3,235
    sdowney717
    Sep 28, 2021
  19. fallguy

    Solenoid valve

    fallguy, Aug 31, 2021
    Replies:
    6
    Views:
    2,497
    fallguy
    Aug 31, 2021
  20. fallguy

    NEMA 2000 with two power sources

    fallguy, Jul 26, 2021
    Replies:
    1
    Views:
    2,339
    fallguy
    Jul 26, 2021
  21. fallguy

    Venting console

    fallguy, Jul 3, 2021
    Replies:
    13
    Views:
    3,097
    fallguy
    Jul 5, 2021
  22. fallguy

    Lug spacings

    fallguy, Apr 12, 2021
    Replies:
    11
    Views:
    3,171
    rangebowdrie
    May 6, 2021
  23. fallguy

    Wire sizing

    fallguy, Mar 11, 2021
    Replies:
    11
    Views:
    3,450
    fallguy
    Mar 11, 2021
  24. fallguy

    Software for Electrical Layouts

    fallguy, Dec 16, 2020
    Replies:
    2
    Views:
    3,704
    fallguy
    Dec 17, 2020
  25. MaddMatt

    Solar Generator

    MaddMatt, Dec 8, 2020
    Replies:
    3
    Views:
    2,356
    Rumars
    Dec 9, 2020
  26. DennisRB

    LEDs for less power consumption

    DennisRB, Oct 7, 2010 ... 2 3
    Replies:
    43
    Views:
    13,976
    rxcomposite
    Dec 3, 2020
  27. fallguy

    Splicing into ignition harness/other

    fallguy, Aug 3, 2020
    Replies:
    13
    Views:
    5,597
    fallguy
    Aug 6, 2020
  28. sdowney717

    Old Raritan battery charger causes vhf interference on broadcast

    sdowney717, Aug 13, 2019
    Replies:
    0
    Views:
    4,029
    sdowney717
    Aug 13, 2019
  29. Rodster

    Boat refrigerator

    Rodster, Apr 7, 2019
    Replies:
    3
    Views:
    3,437
    PNW sailor
    Apr 7, 2019
  30. chowdan

    Review of electrical design

    chowdan, Feb 21, 2019
    Replies:
    11
    Views:
    4,534
    chowdan
    Mar 9, 2019
  31. jdory

    size of lithium battery bank - 3.2v cells

    jdory, Oct 4, 2018 ... 2 3 4
    Replies:
    51
    Views:
    12,261
    BlueBell
    Feb 28, 2019
  32. missinginaction

    Small cruiser electrical upgrade. Mulitstep regulator or small generator.

    missinginaction, Oct 22, 2017
    Replies:
    13
    Views:
    4,160
    missinginaction
    Feb 24, 2019
  33. CDK

    exploded battery

    CDK, Apr 30, 2015 ... 4 5 6
    Replies:
    86
    Views:
    34,108
    powerabout
    Jun 15, 2018
  34. goodwilltoall

    Lightning ground

    goodwilltoall, Feb 25, 2018
    Replies:
    14
    Views:
    5,398
    M&M Ovenden
    Mar 5, 2018
  35. MikeJohns

    Replacment Rectifier for MIG Welder

    MikeJohns, Sep 18, 2011 ... 2
    Replies:
    19
    Views:
    30,489
    MikeJohns
    Mar 5, 2018
  36. TTK

    Help with electric propulsion for 65 ft racer/cruiser sailing boat

    TTK, Nov 8, 2017
    Replies:
    0
    Views:
    3,402
    TTK
    Nov 8, 2017
  37. fallguy

    electronic control actuators on mechanical outboard controls

    fallguy, Sep 21, 2017
    Replies:
    5
    Views:
    3,495
    fallguy
    Sep 21, 2017
  38. Nick Hollister

    Deciding Battery for Electric Hydrofoil Surfboard

    Nick Hollister, Jul 10, 2017
    Replies:
    4
    Views:
    6,263
    Chris Vermeulen
    Aug 15, 2017
  39. Setsail53

    24v double pole

    Setsail53, Oct 11, 2016
    Replies:
    5
    Views:
    5,617
    mydauphin
    Oct 12, 2016
  40. Charlyipad

    solar advice needed

    Charlyipad, Jul 3, 2016
    Replies:
    6
    Views:
    4,965
    BertKu
    Jul 24, 2016
Showing threads 1 to 40 of 346

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