Cruisers Forum
 


Reply
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on Cruisers Forums. Advertise Here
 
Thread Tools Search this Thread Rate Thread Display Modes
Old 13-05-2023, 19:00   #1
Registered User

Join Date: Aug 2013
Posts: 82
DC wire size

I wonder what the smallest wire size that would proper for powering a 1/2 hp DC motor total wire run including power and ground of 20 feet .
myketch42 is offline   Reply With Quote
Old 13-05-2023, 19:06   #2
Registered User

Join Date: Jul 2020
Location: Virginia, USA
Boat: Hunter 340
Posts: 1,432
Re: DC wire size

Quote:
Originally Posted by myketch42 View Post
I wonder what the smallest wire size that would proper for powering a 1/2 hp DC motor total wire run including power and ground of 20 feet .
What voltage?

1 HP = 754W. 1/2 HP = 377W. To know the minimum conductor size we need to know the amps which means we need to know the volts.
Statistical is offline   Reply With Quote
Old 13-05-2023, 19:53   #3
Registered User
 
Nekton73's Avatar

Join Date: Mar 2022
Location: Canada
Boat: Grampian 30
Posts: 296
Re: DC wire size

Once you know the amps:
Click image for larger version

Name:	DC_wire_selection_chartlg.jpg
Views:	58
Size:	411.0 KB
ID:	275341
Nekton73 is offline   Reply With Quote
Old 13-05-2023, 20:03   #4
Registered User

Join Date: Jan 2015
Location: Victoria BC
Boat: Rafiki 37
Posts: 1,390
Re: DC wire size

Blue seas also have a great app for that
__________________
www.saildivefish.ca
alctel is offline   Reply With Quote
Old 13-05-2023, 22:11   #5
Registered User

Join Date: Jan 2023
Posts: 1,811
Re: DC wire size

Quote:
Originally Posted by myketch42 View Post
I wonder what the smallest wire size that would proper for powering a 1/2 hp DC motor total wire run including power and ground of 20 feet .
Really? You can’t look this up yourself?
SailingHarmonie is offline   Reply With Quote
Reply

Tags
size


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Lofrans tigress wire size? Voltage drop/wire size calc question.. Eastward ho 24 Construction, Maintenance & Refit 30 09-06-2020 09:50
Bumping the rigging up one size (wire) do I compensate for streched old wire? Eastward ho 24 Construction, Maintenance & Refit 17 02-07-2019 13:56
110V(3 wire) panel split to 230V(3 wire) and 110V(3 wire) breakers? BrettB Electrical: Batteries, Generators & Solar 22 29-04-2019 00:30
How to Wire a Battery Isolator with a Three Wire Alternator ? bazzer Electrical: Batteries, Generators & Solar 7 05-12-2010 12:47

Advertise Here
  Vendor Spotlight
No Threads to Display.


All times are GMT -7. The time now is 09:14.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2024, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2024, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.