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Electrical Systems
A forum to discuss marine electrical systems design, electrical components, sources, and techniques.
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battery voltage, 24V 48V or both?
aleph
Apr 24, 2026
Replies
8
Views
1,395
Apr 26, 2026
kapnD
K
Switching the House Battery Bank to LiFePO4
tpenfield
Sep 15, 2025
Replies
3
Views
4,280
Sep 16, 2025
tpenfield
P
115 and 220 shore power breaker amperage
pitbull
Aug 26, 2025
Replies
2
Views
1,258
Aug 28, 2025
pitbull
P
AC DC grounding
fallguy
Nov 8, 2022
2
3
4
Replies
54
Views
16,956
Jun 22, 2025
fallguy
R
Bonding Or grounding in the engine compartment
RhuntIII
Feb 14, 2012
2
Replies
15
Views
11,156
Nov 21, 2024
jeff Lendall
J
R
Shore Power Electrical Wiring Help
rplank05
Nov 19, 2024
Replies
2
Views
1,407
Nov 20, 2024
fallguy
Need help wiring twin helm boat
Jim Prouty
Aug 23, 2023
Replies
6
Views
5,300
Oct 1, 2024
sdowney717
S
Spade terminals
fallguy
Feb 26, 2022
2
3
Replies
44
Views
12,255
Oct 1, 2024
sdowney717
S
J
GFCI Problems on a Tiny Houseboat
Jim Price
Aug 1, 2024
2
3
4
Replies
46
Views
7,352
Sep 30, 2024
sdowney717
S
C
Buehler simplified boat wiring scheme
cluttonfred
Apr 2, 2024
Replies
6
Views
3,283
Apr 3, 2024
Rumars
R
S
Extending cables - which regulations apply?
sad asd
Jun 19, 2023
Replies
2
Views
2,607
Jun 20, 2023
sad asd
S
T
Battery switching help... Please.
Time Well Spent
Feb 16, 2023
Replies
2
Views
3,072
Feb 19, 2023
fallguy
H
Wierd Electrical issue Please Help!
Highroller63
Jul 10, 2022
2
Replies
25
Views
6,176
Sep 10, 2022
Sparky568
S
Catamaran Nav Lighting
fallguy
Mar 8, 2022
Replies
11
Views
2,980
Mar 9, 2022
fallguy
Odyssey, East Penn, Trojan, .....which deep cycle do I choose?
missinginaction
Mar 7, 2022
Replies
4
Views
3,048
Mar 7, 2022
rangebowdrie
R
Grounds
fallguy
Dec 28, 2021
Replies
10
Views
3,304
Feb 19, 2022
rangebowdrie
R
Any ABYC electricians
fallguy
Nov 8, 2021
Replies
0
Views
2,525
Nov 8, 2021
fallguy
Passing wires thru composite
fallguy
Dec 9, 2020
Replies
11
Views
3,697
Sep 28, 2021
fallguy
Drying a computer locker
fallguy
Oct 13, 2020
Replies
10
Views
3,635
Sep 28, 2021
sdowney717
S
Solenoid valve
fallguy
Aug 31, 2021
Replies
6
Views
2,826
Aug 31, 2021
fallguy
NEMA 2000 with two power sources
fallguy
Jul 26, 2021
Replies
1
Views
2,595
Jul 26, 2021
fallguy
Venting console
fallguy
Jul 3, 2021
Replies
13
Views
3,731
Jul 5, 2021
fallguy
Lug spacings
fallguy
Apr 12, 2021
Replies
11
Views
3,656
May 6, 2021
rangebowdrie
R
Wire sizing
fallguy
Mar 11, 2021
Replies
11
Views
4,072
Mar 11, 2021
fallguy
Software for Electrical Layouts
fallguy
Dec 16, 2020
Replies
2
Views
4,146
Dec 17, 2020
fallguy
M
Solar Generator
MaddMatt
Dec 8, 2020
Replies
3
Views
2,642
Dec 9, 2020
Rumars
R
LEDs for less power consumption
DennisRB
Oct 7, 2010
2
3
Replies
43
Views
15,027
Dec 3, 2020
rxcomposite
Splicing into ignition harness/other
fallguy
Aug 3, 2020
Replies
13
Views
6,335
Aug 6, 2020
fallguy
S
Old Raritan battery charger causes vhf interference on broadcast
sdowney717
Aug 13, 2019
Replies
0
Views
4,313
Aug 13, 2019
sdowney717
S
R
Boat refrigerator
Rodster
Apr 7, 2019
Replies
3
Views
3,733
Apr 7, 2019
PNW sailor
P
C
Review of electrical design
chowdan
Feb 21, 2019
Replies
11
Views
4,960
Mar 9, 2019
chowdan
C
J
size of lithium battery bank - 3.2v cells
jdory
Oct 4, 2018
2
3
4
Replies
51
Views
13,774
Feb 28, 2019
BlueBell
Small cruiser electrical upgrade. Mulitstep regulator or small generator.
missinginaction
Oct 22, 2017
Replies
13
Views
4,562
Feb 24, 2019
missinginaction
exploded battery
CDK
Apr 30, 2015
4
5
6
Replies
86
Views
36,415
Jun 15, 2018
powerabout
P
G
Lightning ground
goodwilltoall
Feb 25, 2018
Replies
14
Views
6,020
Mar 5, 2018
M&M Ovenden
M
Replacment Rectifier for MIG Welder
MikeJohns
Sep 18, 2011
2
Replies
19
Views
31,363
Mar 5, 2018
MikeJohns
M
T
Help with electric propulsion for 65 ft racer/cruiser sailing boat
TTK
Nov 8, 2017
Replies
0
Views
3,670
Nov 8, 2017
TTK
T
electronic control actuators on mechanical outboard controls
fallguy
Sep 21, 2017
Replies
5
Views
3,823
Sep 21, 2017
fallguy
N
Deciding Battery for Electric Hydrofoil Surfboard
Nick Hollister
Jul 10, 2017
Replies
4
Views
6,665
Aug 15, 2017
Chris Vermeulen
S
24v double pole
Setsail53
Oct 11, 2016
Replies
5
Views
5,962
Oct 12, 2016
mydauphin
M
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