Solve : AWG resitance information?

1.	Solve : AWG resitance information?
Answer» Every get into an argument about the wire size used in a power supply? What size is better? Can a # 18 wire take 20 amps? Why? Why not? Helpful Information about American Wire Gage. The tech stuff is so overbearing. But a rule of thumb is so handy when you need it. https://en.wikipedia.org/wiki/American_wire_gauge#Rules_of_thumb I made a quick screenshot: Check the link above and bookmark it. You don't need to know all that tech stuff, it's all been done for you many engineers at many different organizations. The specifications are all in the NFPA 70 NATIONAL Electrical Code 2014 Edition. It only specifies AC, not DC & conductors in raceways & conduits. Power supplies are not specifically addressed because the NEC does not address the powered equipment, only the power to the equipment. There are other STANDARDS for motors & generators. There are standards for DC power, particularly marine. Searching on this "dc ampacity of wire gauges" 1st Google result give exactly what you are seeking. It references the standard American Boat & Yacht Council, ABYC E-11 https://www.bluesea.com/resources/1437 Standards are ALWAYS being revised & updated, about every 10 years for the NEC which is the oldest electrical standard in North America. It was NEEDED about 100 years ago when electricity started to enter the home & workplace & fires were always being started. That's why the NEC is also the NFPA #70 (National Fire Protection Association). Computer_Commando, Thanks for the link. It helps provide a better understating. For DC Marine use: Quote Critical circuits, with 3% allowable voltage drop, include Panel main feeders Bilge blowers Electronics Navigation lights Non-critical circuits, with 10% allowable voltage drop, include General lighting Windlasses Bait pumps General appliances Until now, I did not understand why the Bilge blower was important. Quote Bilge blowers are mandatory pieces of equipment for boats with motors mounted within the hull. They rid the engine compartment of potentially dangerous fuel vapour. Purpose Bilge blowers are DESIGNED to remove fuel vapours in a vessel's bilge compart

Answer»

Every get into an argument about the wire size used in a power supply? What size is better?
Can a # 18 wire take 20 amps?
Why? Why not?

Helpful Information about American Wire Gage.

The tech stuff is so overbearing. But a rule of thumb is so handy when you need it.

https://en.wikipedia.org/wiki/American_wire_gauge#Rules_of_thumb

I made a quick screenshot:

Check the link above and bookmark it. You don't need to know all that tech stuff, it's all been done for you many engineers at many different organizations.

The specifications are all in the NFPA 70 NATIONAL Electrical Code 2014 Edition. It only specifies AC, not DC & conductors in raceways & conduits. Power supplies are not specifically addressed because the NEC does not address the powered equipment, only the power to the equipment. There are other STANDARDS for motors & generators.

There are standards for DC power, particularly marine.
Searching on this "dc ampacity of wire gauges"
1st Google result give exactly what you are seeking. It references the standard American Boat & Yacht Council, ABYC E-11
https://www.bluesea.com/resources/1437

Standards are ALWAYS being revised & updated, about every 10 years for the NEC which is the oldest electrical standard in North America. It was NEEDED about 100 years ago when electricity started to enter the home & workplace & fires were always being started. That's why the NEC is also the NFPA #70 (National Fire Protection Association).
Computer_Commando,
Thanks for the link.
It helps provide a better understating.
For DC Marine use:
Quote

Critical circuits, with 3% allowable voltage drop, include
Panel main feeders
Bilge blowers
Electronics
Navigation lights

Non-critical circuits, with 10% allowable voltage drop, include
General lighting
Windlasses
Bait pumps
General appliances

Until now, I did not understand why the Bilge blower was important.
Quote

Bilge blowers are mandatory pieces of equipment for boats with motors mounted within the hull. They rid the engine compartment of potentially dangerous fuel vapour. Purpose Bilge blowers are DESIGNED to remove fuel vapours in a vessel's bilge compart

Solve : AWG resitance information?

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