ECN Forum Forums Code Related Discussion NEC & other Code issues chapter 9 conductor properties

in table 8 wire awg 18-8 have two listings for ohm/1000 ft obviously solid and stranded which brings me off topic as to why there isn't two listings for #6 since nec requires #4 or larger to be stranded.

anyway is stranded wire less resistant than solid which would make it the first listng?

thanks h2o

Since you haven't gotten any other replies...

Good question. The table entry for #6 shows only the stranded info, but I know for sure I can buy #6 bare solid for grounding.

You can tell solid vs. stranded by looking at the "quantity" column: 1 = solid, 7 = stranded (7 strands). In all cases, stranded wire has a slightly higher resistance per unit length than solid, so I assume the same would be true of #6.

thanks john...
i never noticed the quantity columb b4.
nec you never stop learning....


h20

When was the last time you installed 7 strand wire? Solid or 19 strand is all I've seen for 20 years.