210.52(B)(2) Wrinkle

Status
Not open for further replies.
George Stolz

George Stolz

Moderator
Staff member
Location
Windsor, CO NEC: 2017
Occupation
Hospital Master Electrician
So, try this one on. :D

Let's say I have a SABC supplying a pair of receptacles in an island. What would you say if someone put in an SSU with a 15A fuse, and supplied a receptacle under the sink with a chunk of 14-2 for a disposal on the load side of those receptacles?

I promised a coworker I'd get some input on this - I think he's got an interesting angle on this. :D
 
So you want to tap the 20 amp SABC and feed a 15 amp OCPD (fuse). So the question is can you tap a 20 amp SABC?
 
Could it be covered by the ex.#2 in 210.52(B)(2)? .....Receptacles installed to provide power for supplemental equipment and lighting on gas-fired ranges, ovens, or counter-mounted cooking units. Or am I reading it wrong and the supplemental equipment they are referring to is just for the ranges, ovens and counter-mounted cooking units?
 
rcarroll said:
I have to say no go. It doesn't meet any exception allowed in 210.52 (B)(1) or (2).
If I'm wrong, I'll buy you a beer!:)
Click to expand...
Why does it have to meet either exception? First tell me why it is non-compliant with the general requirement.

I'm inclined to say it's compliant...
 
Maybe I am blind but I have no idea why one thinks it is okay. A disposal under the sink is another outlet. I don't see how the fuse comes into play. Are you thinking this is illegal if it were #12 wire but since there is a fuse it is okay? What am I missing- this is a clear cut violation in my eyes.
 
I agree with rcarroll...210.52(B)(1) says in a kitchen...the SABCs shall supply all the wall and floor receptacle outlets covered by 210.52(A) and all countertop outlets covered by 210.52(C), and receptacle outlets for refrigeration.

210.52(B)(2) says the SABCs shall have no other outlets. The disposal is not one of the outlets specified in 210.52(B)(1) so it cannot be connected to the SABC per 210.52(B)(2) (or its exceptions.)

The only wrinkle I could think of is saying that the 15A fuse creates a "new" branch circuit, so the disposal is not on the SABC. However, I think the 15A fuse falls under "supplementary" overcurrent protection, not branch overcurrent protection.

(Also, if the 15A fuse wasn't "supplementary," by the definition of "feeder" the SABC would then be a feeder. That's a real brain twister.)
 
david luchini said:
The only wrinkle I could think of is saying that the 15A fuse creates a "new" branch circuit, so the disposal is not on the SABC. However, I think the 15A fuse falls under "supplementary" overcurrent protection, not branch overcurrent protection.

(Also, if the 15A fuse wasn't "supplementary," by the definition of "feeder" the SABC would then be a feeder. That's a real brain twister.)
Click to expand...

That is exactly what I was about to write that the sabc is now a feeder and would not be compliant
 
infinity said:
The words No other outlets seems to prohibit this installation.
Click to expand...
How do you qualify a receptacle outlet [on a non-lighting, non-dedicated circuit] in a kitchen as an "other outlet"?

For the sake of discussion, I'm considering the "SSU" as a supplementary ocpd.
 
I'm a "no" too. It's not an outlet for a clock - nor for a gas range timer etc. It's an outlet for a small peice of equipment and this non-excepted 'other outlet' is expressly non-compliant.

imho
 
Smart $ said:
...and so are the other outlets on the SABC's.

Is a disposal an appliance?

Is it a small appliance?
Click to expand...

It has nothing to do with a disposal being a small appliance or not. If I put a toaster in my bedroom I cannot extend the kitchen SABC to my bedroom and be compliant.
 
david luchini said:
The only wrinkle I could think of is saying that the 15A fuse creates a "new" branch circuit, so the disposal is not on the SABC. However, I think the 15A fuse falls under "supplementary" overcurrent protection, not branch overcurrent protection.

(Also, if the 15A fuse wasn't "supplementary," by the definition of "feeder" the SABC would then be a feeder. That's a real brain twister.)
Click to expand...

Bingo. That's what twisted my brain at the idea. :)
 
Status
Not open for further replies.
Top