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### Cable size?

01/12/2012 11:24 AM

Dear friends how to select cable size without knowing the load?

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#1

### Re: Cable size?

01/12/2012 11:29 AM

Match it to the breaker.

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#2

### Re: Cable size?

01/12/2012 11:31 AM

That's easy! The formula is:

= PI * (some random number) * sqrt(-1) * mc²

Hence, you'll probably end up with an imaginary number.

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#3

### Re: Cable size?

01/12/2012 11:39 AM
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#4

### Re: Cable size?

01/12/2012 11:41 AM

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#5

### Re: Cable size?

01/12/2012 11:46 AM

use electrical software for calculation

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#6

### Re: Cable size?

01/12/2012 11:47 AM
 Have a question? Want to know the future? Ask the all-knowing crystal ball! INSTRUCTIONS: It's easy. Just type a question in the box below and click "Ask!" Ask! I really, really wish I hadn't made that resolution to be gooder. This is a perfect opening!!!!!
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#8

### Re: Cable size?

01/12/2012 12:26 PM

LOL, Talk about fish in a barrel...

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#9

### Re: Cable size?

01/12/2012 7:25 PM

I've never understood this metaphor.

What are the fish shooting at?

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#10

### Re: Cable size?

01/12/2012 7:36 PM

No, no. The fish aren't sho.....................oh, never mind!

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#11

### Re: Cable size?

01/12/2012 8:12 PM
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#12

### Re: Cable size?

01/12/2012 9:51 PM

You two are wicked together!

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#13

### Re: Cable size?

01/12/2012 9:54 PM

I could lead even the Pope astray!

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#14

### Re: Cable size?

01/12/2012 10:13 PM

Aha!--that explains it.

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#7

### Re: Cable size?

01/12/2012 12:14 PM

By selecting typical load....What's the application?

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#15

### Re: Cable size?

01/13/2012 1:13 PM

Ask this Gentleman. You may be meeting him soon.

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#16

### Re: Cable size?

01/13/2012 1:48 PM

NEC standard defines the size of wire as per equivalent size of circuit breaker. Applicable only for small loads like lighting or receptacle.