Range circuit sizing

[billydrowne]

just trying to see if my heads in the right place or if im way off...

so my friend just got a new stove, rated 14.5kw @ 240v, comes out to 60 amps, so i thought that seemed a little much for what this stove looks like. doesnt seem like anything special. so i went into article 220 for ranges, brought me to table 220.55. column C says not over 12kw you can take it as 8000watts. the first note underneath the table says if youre over 12kw but under 27, increase the number in column C by 5% for every KW or fraction of, for the appliance rated over 12. so i had 3 fractions of a KW so i did 8000w times 15% which put me at 9200W and a 40 amp breaker.

 

[Coppersmith]

The manufacturer's requirements always supersede. What size breaker does the manual that came with the stove say to use?

 

[Eddie702]

Looks good to me

 

[Dennis Alwon]

just trying to see if my heads in the right place or if im way off...

so my friend just got a new stove, rated 14.5kw @ 240v, comes out to 60 amps, so i thought that seemed a little much for what this stove looks like. doesnt seem like anything special. so i went into article 220 for ranges, brought me to table 220.55. column C says not over 12kw you can take it as 8000watts. the first note underneath the table says if youre over 12kw but under 27, increase the number in column C by 5% for every KW or fraction of, for the appliance rated over 12. so i had 3 fractions of a KW so i did 8000w times 15% which put me at 9200W and a 40 amp breaker.

Does the range state 60 amp overcurrent protective device? If not then a 40 is all you need

 

[billydrowne]

Does the range state 60 amp overcurrent protective device? If not then a 40 is all you need

i didnt even think to check that. thank you!

 

[billydrowne]

The manufacturer's requirements always supersede. What size breaker does the manual that came with the stove say to use?

good point. didnt even think of/remember that, thank you

 

[billydrowne]

Looks good to me

thank you

 

[Dennis Alwon]

i didnt even think to check that. thank you!

BTW, if you hit reply for each post then you can send a thank you to all at once-- like this

i didnt even think to check that. thank you!

good point. didnt even think of/remember that, thank you

thank you

Thank you all

 

[acin]

Is that what 220 55 tbl. note 4 means?

 

[Dennis Alwon]

Is that what 220 55 tbl. note 4 means?

Note 4 basically states that we can use the table to size the branch circuit for a range. It also states that single ovens & a cooktop can be calculated as one range

 

[mbrooke]

If the NEC could remove the 60*C restriction on NM we could just run #8 with a 50 amp breaker and no even think about it.