bonding

[grazianoelectric15443]

what size copper conductor is necessary to bond the footing rebar of a home's addition?
and what article ?

 

[iwire]

Table 250.66

 

[infinity]

To go along with Bob's answer take a look at the maximum size required in 250.66(B).

 

[grazianoelectric15443]

I thought it was generally a #4 copper

 

[raider1]

I thought it was generally a #4 copper

It must be sized according to Table 250.66 as Bob pointed out, but is not required to be larger than a #4 per 250.66(B) as Trevor pointed out.

Chris

 

[jdsmith]

I thought it was generally a #4 copper

Take a look at the SINGLE SENTENCE referred to in post #3

 

[infinity]

I thought it was generally a #4 copper

For a 100 amp service it could be #8 to the rebar.