Main Wire
Posted November 29, 2009
By admin
Main Wire
What is the maximum amps that I can run to a sub panel through #4 copper wire 115 feet from the main box?
I know that I can run 80 amps through a #4 copper, but because it's such a long run I'm thinking that 80 amps might be too much for 115 feet.
You will have a 5.9 volt drop if you run 80 amps on #4 copper through 115 feet. This is a 2.2% drop (assuming 240 volts) which is less than the accepted 3% limit. But the final answer depends on the distance to the furthest circuit.
A conservative number for current capacity of #4 wire for long runs is 60 amps. Whether or not 115 feet is a "long" run - I don't know.
Check out the Main Wire listings below and save:
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Blue Sea Systems #8588 Panel 230VAC 10 pos w/Main V.Mtr (Blue Sea) from $ 359.99 The Blue Sea AC Main Breaker panel reduces the energy requirements to disengage the latch and protects your marine electrical equipment from power surges. Heavy 1/8" aluminum 5052 alloy construction features MIL-C-5541C immersion undercoating and 2-part polyurethane slate gray finish for lifetime corrosion resistance. Detailed installation instructions, cutout template, and set of 30 large format labels included. 230V AC. White switches.Key Features: Red reverse polarity indicating LED Hot, neutral, and safety ground buses installed, fully pre-wired Label backlighting pre-installed Countersunk mounting holes throughout "ON" indicating LEDs installed in all circuit positions Meter: 9354, 0-250V AC Voltmeter Maximum panel amperage: 50A Installed Single Pole Circuit Breakers: five 8A Installed Double Pole Circuit Breakers: one 16A Dimensions: 11.25"H x 5.25"W Weight: 3 lbs. Stock Status : In 1 Stores 
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Blue Sea Systems #8199 Panel 230VAC 6 pos horz w/main (Blue Sea) from $ 193.90 The Blue Sea AC Main Breaker panel reduces the energy requirements to disengage the latch and protects your marine electrical equipment from power surges. Heavy 1/8" aluminum 5052 alloy construction features MIL-C-5541C immersion undercoating and 2-part polyurethane slate gray finish for lifetime corrosion resistance. Detailed installation instructions, cutout template, and set of 30 large format labels included. 230V AC. White switches.Key Features: Red reverse polarity indicating LED Hot, neutral, and safety ground buses installed, fully pre-wired Label backlighting pre-installed Countersunk mounting holes throughout "ON" indicating LEDs installed in all circuit positions Meter: N/A Maximum panel amperage: 50A Installed Single Pole Circuit Breakers: four 8A Installed Double Pole Circuit Breakers: one 16A Dimensions: 3.75"H x 10.5"W Weight: 2.22 lbs. Stock Status : In 2 Stores
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Blue Sea Systems #8129 Panel 230VAC Main + 1 Pos (Blue Sea) from $ 89.99 Stock Status : In 1 Stores
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Sea 8174 Main + 8 Positions from $ 449.99 Stock Status : In 1 Stores
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Honda Marine 20' Main Engine Harness 32205-zy6-020ah
USD 82.00 Item Details and Description This listing is for a Honda Marine 20' main wire engine harness, with 6 pin engine connector. Engine end has 14 pin and 6 pin panel indicator. Helmend has both 6 3 pin connector for panel indicator lights and/or PGM-FI indicator light display for digital gauges. Fits: BF40-BF225 Part # 32205-ZY6-020AH If you have any questions on this item, please email us directly . Looking for more marine accessories? Stop by our ebay store where you can find a wide selection of S 
Notes : Earn 2% eBay Bucks on qualifying purchases! Backed by eBay Buyer Protection Program. Terms and Conditions apply. Stock Status : in-stock
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West Marine Fj (flying Junior) Custom Rigging Main Halyard, 7" Headboard Shackle Ball Stop On 5/32" Wire, 37' Of New England Ropes' Mini V Yellow 4mm Both Ends Whipped
USD 72.99 West Marine Fj (flying Junior) Custom Rigging Main Halyard, 7" Headboard Shackle Ball Stop On 5/32" Wire, 37' Of New England Ropes' Mini V Yellow 4mm Both Ends Whipped . West Marine Rigging Service has been the choice of more than 20 boat builders around the country. Using the highest quality materials, our professional riggers create light, durable, and efficient sheets, halyards, guys, control lines and any other bit of "string" that you can name on a sailboat. Now you can order the exact same running rigging that came on your boat as easily as you buy a Windex or life vest. Depending on the item you select, you'll get quality New England Ropes, Samson Rope or FSE Robline line in your choice of colors with an eye-splice, whipped end, stripped cover or Flemish eye. The workmanship is first quality; why else would Morris Yachts, Melges Boatworks, C&C Yachts and Tartan Yachts all rely on West Marine Rigging Service for their running rigging? Incidentally, if your boat isn't listed among the 40 classes that we supply, call +1 (888) 447-7444 (RIGG) and talk to one of our Rigging Specialists about your needs. We offer running rigging, standing rigging, lifelines, and dock and anchor lines made to your exacting specifications. Click here for more information, or send email to RiggingShopwestmarine.com.
Notes : Low Price Guarantee Stock Status : in-stock
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West Marine Etchells Custom Rigging Main Halyard, 82' Loa, 7x19 Stainless Wire (1/8", 38' Loa) Spliced New England Ropes' Endura 12, Black (3/16), Thimble, Oval Sleeve, Wichard (81432) Captive Key Bar Shackle End, Shank On Ball Stop Pin 14in. Whipping
USD 157.99 West Marine Etchells Custom Rigging Main Halyard, 82' Loa, 7x19 Stainless Wire (1/8", 38' Loa) Spliced New England Ropes' Endura 12, Black (3/16), Thimble, Oval Sleeve, Wichard (81432) Captive Key Bar Shackle End, Shank On Ball Stop Pin 14in. Whipping . West Marine Rigging Service has been the choice of more than 20 boat builders around the country. Using the highest quality materials, our professional riggers create light, durable, and efficient sheets, halyards, guys, control lines and any other bit of "string" that you can name on a sailboat. Now you can order the exact same running rigging that came on your boat as easily as you buy a Windex or life vest. Depending on the item you select, you'll get quality New England Ropes, Samson Rope or FSE Robline line in your choice of colors with an eye-splice, whipped end, stripped cover or Flemish eye. The workmanship is first quality; why else would Morris Yachts, Melges Boatworks, C&C Yachts and Tartan Yachts all rely on West Marine Rigging Service for their running rigging? Incidentally, if your boat isn't listed among the 40 classes that we supply, call +1 (888) 447-7444 (RIGG) and talk to one of our Rigging Specialists about your needs. We offer running rigging, standing rigging, lifelines, and dock and anchor lines made to your exacting specifications. Click here for more information, or send email to RiggingShopwestmarine.com.
Notes : Low Price Guarantee Stock Status : in-stock
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Honda 32205-zy6-025ah 25 Foot Main Engine Boat Wiring Harness
USD 93.95 Tag reads: Honda 20 Wire Main Har 25' 32205-ZY6-025AH Specifications: Manufacturer: Honda Part#: 32205-ZY6-025AH Vendor: Triton Boats Length: 25 ft Connectors: (1) 14 spade male, (1) 3 spade female, (2) 6 spade male, (1) 4 spade male Sold as seen in pictures.
Notes : Earn 2% eBay Bucks on qualifying purchases! Backed by eBay Buyer Protection Program. Terms and Conditions apply. Stock Status : in-stock
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West Marine Etchells Custom Rigging Main Halyard, 82' Loa, 7x19 Stainless Wire (1/8", 38' Loa) Spliced New England Ropes' Endura 12, Red (3/16), Thimble, Oval Sleeve, Wichard (81432) Captive Key Bar Shackle End, Shank On Ball Stop Pin 14in. Whipping
USD 157.99 West Marine Etchells Custom Rigging Main Halyard, 82' Loa, 7x19 Stainless Wire (1/8", 38' Loa) Spliced New England Ropes' Endura 12, Red (3/16), Thimble, Oval Sleeve, Wichard (81432) Captive Key Bar Shackle End, Shank On Ball Stop Pin 14in. Whipping . West Marine Rigging Service has been the choice of more than 20 boat builders around the country. Using the highest quality materials, our professional riggers create light, durable, and efficient sheets, halyards, guys, control lines and any other bit of "string" that you can name on a sailboat. Now you can order the exact same running rigging that came on your boat as easily as you buy a Windex or life vest. Depending on the item you select, you'll get quality New England Ropes, Samson Rope or FSE Robline line in your choice of colors with an eye-splice, whipped end, stripped cover or Flemish eye. The workmanship is first quality; why else would Morris Yachts, Melges Boatworks, C&C Yachts and Tartan Yachts all rely on West Marine Rigging Service for their running rigging? Incidentally, if your boat isn't listed among the 40 classes that we supply, call +1 (888) 447-7444 (RIGG) and talk to one of our Rigging Specialists about your needs. We offer running rigging, standing rigging, lifelines, and dock and anchor lines made to your exacting specifications. Click here for more information, or send email to RiggingShopwestmarine.com.
Notes : Low Price Guarantee Stock Status : in-stock
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West Marine Fj (flying Junior) Custom Rigging Main Halyard, 7" Headboard Shackle Ball Stop On 5/32" Wire, 37' Of New England Ropes' Mini V Blue 4mm Both Ends Whipped
USD 72.99 West Marine Fj (flying Junior) Custom Rigging Main Halyard, 7" Headboard Shackle Ball Stop On 5/32" Wire, 37' Of New England Ropes' Mini V Blue 4mm Both Ends Whipped . West Marine Rigging Service has been the choice of more than 20 boat builders around the country. Using the highest quality materials, our professional riggers create light, durable, and efficient sheets, halyards, guys, control lines and any other bit of "string" that you can name on a sailboat. Now you can order the exact same running rigging that came on your boat as easily as you buy a Windex or life vest. Depending on the item you select, you'll get quality New England Ropes, Samson Rope or FSE Robline line in your choice of colors with an eye-splice, whipped end, stripped cover or Flemish eye. The workmanship is first quality; why else would Morris Yachts, Melges Boatworks, C&C Yachts and Tartan Yachts all rely on West Marine Rigging Service for their running rigging? Incidentally, if your boat isn't listed among the 40 classes that we supply, call +1 (888) 447-7444 (RIGG) and talk to one of our Rigging Specialists about your needs. We offer running rigging, standing rigging, lifelines, and dock and anchor lines made to your exacting specifications. Click here for more information, or send email to RiggingShopwestmarine.com.
Notes : Low Price Guarantee Stock Status : in-stock
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