New Boat Builders Home Page See Ike's List For
Everything Boatbuilding!
Don't tell me that I can't. Tell me how I can!
Custom Search
Printer Friendly Page

HOME

SUBJECT INDEX 

SITEMAP

IKE'S LIST

IKE'S STORE

HOT TOPICS

ABOUT THIS SITE

CHART OF REGULATIONS

HULL ID NUMBERS

LABELING

SAFE HORSEPOWER

SAFE LOADING

FLOTATION

ELECTRICAL SYSTEM

FUEL SYSTEM

VENTILATION

RECALLS

NAVIGATION LIGHTS

_________________

Basic Electricity DC

Basic Electricity AC

Electrical Pages Index
Batteries
Ignition Protection
Wiring: General
Wiring Low Voltage
Wiring High Voltage
Ignition Wiring
Connections
Over Current Protection
Sizing Circuit Breakers
Special Applications
Wire Size
Planning: Battery Bank
Basic Electrical
Practical
Wiring Your Boat

Business Of Boatbuilding

Legal Considerations

Quality Management

Production Management

Federal Regulations

Statutes and Regulations:
 How they are made

Environmental

Carbon Monoxide

Marine Engines

Marine Toilets

Boat Myths

Boating Quotes

Standards Documents Available Free online

Please Report
Broken Links.
CONTACT ME

Ike's Book Store (27770 bytes)

 

  ELECTRICAL SYSTEM - Voltage Drop
If you know little or nothing about electrical circuits go to,
Basic Electricity
1  2 3 4 5 6 7 8 9 10 11 12 13 14
US Navy Basic Electricity Course
Contact ABYC and the Coast Guard to get the latest standards for Electrical systems.
The entire electrical section of this website may be purchased and downloaded. It is in PDF format and payment is through PAYPAL. Go to the store here $10.00

This table is from ABYC. There are tables for 24 volts and 32 volts, and for AC systems in the ABYC Electrical Standard E-11.  Contact ABYC for a copy of E-11, AC and DC Electrical Systems on Boats.

Table to determine wire size due to voltage drop based on the length of the wire. This table is for 12 volts only.

Length of conductor from power source to the device and back to the power source

Feet 10 15 20 25 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170
Total Amps 12 volt  -  10% drop wire sizes gauge
5 18 18 18 18 18 16 16 14 14 14 12 12 12 12 12 10 10 10 10
10 18 18 16 16 14 14 12 12 10 10 10 10 8 8 8 8 8 8 6
15 18 16 14 14 12 12 10 10 8 8 8 8 8 6 6 6 6 6 6
20 16 14 14 12 12 10 10 8 8 8 6 6 6 6 6 4 4 4 4
25 16 14 12 12 10 10 8 8 8 6 6 6 6 4 4 4 4 4 2
30 14 12 12 10 10 8 8 6 6 6 6 4 4 4 4 2 2 2 2
40 14 12 10 10 8 8 6 6 6 4 4 4 2 2 2 2 2 2 2
50 12 10 10 8 8 6 6 4 4 4 2 2 2 2 2 1 1 1 1
60 12 10 8 8 6 6 4 4 2 2 2 2 2 1 1 1 0 0 0
70 10 8 8 6 6 6 4 2 2 2 2 1 1 1 0 0 0 2/0 2/0
80 10 8 8 6 6 4 4 2 2 2 1 1 0 0 0 2/0 2/0 2/0 2/0
90 10 8 6 6 6 4 2 2 2 1 1 0 0 0 2/0 2/0 2/0 3/0 3/0
100 10 8 6 6 4 4 2 2 1 1 0 0 0 2/0 2/0 2/0 2/0 3/0 3/0

      Boat Design Net

Woodenboat Forum   Wooden Boat Foundation
This Web site may contain copyrighted material the use of which has not always been specifically authorized by the copyright owner. I am making such material available in my efforts to advance understanding of educational, economic, and scientific issues, etc. I believe this constitutes a "fair use" of any such copyrighted material as provided for in section 107 of the US Copyright Law. In accordance with Title 17 U.S.C. Section 107, the material on this Web site is distributed without profit to those who have expressed a prior interest in receiving the included information for nonprofit educational purposes. For more information see: www.law.cornell.edu/uscode/17/107.shtml. If you wish to use copyrighted material from this Web site for purposes of your own that go beyond "fair use", you must obtain permission from the copyright owner.
This site is a member of WebRing.
To browse visit Here.
Powered by WebRing®.