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Username Post: wire strands        (Topic#365854)
995jim 
"5th Year" Platinum Supporting Member
Posts: 699
995jim
Loc: Ohio
Reg: 12-17-06
07-19-21 01:00 PM - Post#2823509    

Hi, Is there any reason or problem with using thick stranded copper wire in auto wiring where the car is using an alternator .
thanks jim

Jim

65' Impala SS, 65' Belair, 89' Silverado Z71, 95' Silverado Z71, 12' Silverado, 15' Silverado LTZ, 16' Tahoe LTZ


 


grumpyvette 
Senior Chevytalk Moderator -- Performance Subject Matter Expert --
Posts: 17648
grumpyvette
Age: 73
Loc: FLORIDA USA
Reg: 03-16-01
07-19-21 06:15 PM - Post#2823527    
    In response to 995jim

if your asking if stranded wire in an appropriate gauge for the amp load,it will carry is better than a single solid conductor?
the answer is generally yes


https://www.powerstream.com/Wire_Size.htm



IF YOU CAN,T SMOKE THE TIRES AT WILL,FROM A 60 MPH ROLLING START YOUR ENGINE NEEDS MORE WORK!!"!
IF YOU CAN , YOU NEED BETTER TIRES AND YOUR SUSPENSION NEEDS MORE WORK!!


 
65_Impala 
Very Senior Member
Posts: 4767

Reg: 12-29-02
07-20-21 06:04 AM - Post#2823558    
    In response to 995jim

It depends on what you mean.

Using bigger wire than required means the cost, supporting, terminating etc could be more difficult but it won't cause any electric issues.

Using wire with fewer strands where each strand is thicker can cause mechanical issues. You will have to support it better because it will be less tolerant of movement. But, it also won't cause electrical issues.



 
995jim 
"5th Year" Platinum Supporting Member
Posts: 699
995jim
Loc: Ohio
Reg: 12-17-06
07-22-21 04:00 PM - Post#2823712    
    In response to grumpyvette

I ask because I was told by someone that ac travels differently than dc through the copper strands and more strands allows current to travel

Jim

65' Impala SS, 65' Belair, 89' Silverado Z71, 95' Silverado Z71, 12' Silverado, 15' Silverado LTZ, 16' Tahoe LTZ


 
CowboyTrukr 
"1`th Year" Silver Supporting Member
Posts: 4641
CowboyTrukr
Loc: Salt Lake City
Reg: 06-20-09
07-22-21 04:36 PM - Post#2823714    
    In response to 995jim

You won't find any appreciable difference in resistance between the two types of conductors. You're not talking about a 500,000V DC power line from Hood River, Oregon, to Los Angeles. You're talking about 12V flowing about 8-15' depending on which circuit it is. Starter cables, about 6'. Tail lights, about 22'.

Either way, in a truck, you'll never see the difference.

Greg

‘01 Silverado 2500HD 8.1/Allison 1000 Xcab/LB
'00 Explorer XLT 4.0 SOHC V6 Auto
'95 K1500 Z71 EC Short Step 5.7L+0.040/NV3500 SOLD

"The only thing necessary for evil to triumph is for good men to do nothing" Sir Edmund Burke


 
65_Impala 
Very Senior Member
Posts: 4767

Reg: 12-29-02
07-23-21 03:32 AM - Post#2823739    
    In response to 995jim

No, it doesn't matter. Skin depth, which affects if the whole conductor cross sectional area gets used, is an AC phenomenon, not DC. Then, so many people who don't really understand the theory but think they do get the skin depth theory wrong by talking how the number of strands will affect the skin depth by claiming the smaller strands have a higher skin effect frequency. But they are wrong because the strands bundled together into a single cable work as a single solid wire with the overall diameter setting the skin effect frequency.



 
CowboyTrukr 
"1`th Year" Silver Supporting Member
Posts: 4641
CowboyTrukr
Loc: Salt Lake City
Reg: 06-20-09
07-23-21 09:34 PM - Post#2823791    
    In response to 65_Impala

Very well put.

Greg

‘01 Silverado 2500HD 8.1/Allison 1000 Xcab/LB
'00 Explorer XLT 4.0 SOHC V6 Auto
'95 K1500 Z71 EC Short Step 5.7L+0.040/NV3500 SOLD

"The only thing necessary for evil to triumph is for good men to do nothing" Sir Edmund Burke


 
995jim 
"5th Year" Platinum Supporting Member
Posts: 699
995jim
Loc: Ohio
Reg: 12-17-06
07-24-21 05:36 AM - Post#2823798    
    In response to 65_Impala

Thankyou all for this information. Very informative.

Jim

65' Impala SS, 65' Belair, 89' Silverado Z71, 95' Silverado Z71, 12' Silverado, 15' Silverado LTZ, 16' Tahoe LTZ


 


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