180va

Status
Not open for further replies.

Djelite

Senior Member
Location
Ny
Occupation
Electrician
How come the code chose to state that outlet receptacle will be calculated at 180 per strap for commercial space not including banks and office buildings (arent those technically commercial spaces?)
 
I don't know why there is a distinction, but you still have to calculate the receptacles at 180VA/yoke and then use the larger of that number or 1VA/square foot according to 220.14(K). My guess would be that there were fewer receptacles with larger loads being designed in those building types so the NEC added the square footage test to make sure the equipment sizing wasn't too small.
 
What code cycle are you using? This is new in 2023


(I) Receptacle Outlets.
Except as covered in 220.41 and 220.14(J), receptacle outlets shall be calculated at not less than 180 volt-amperes for each single or for each multiple receptacle on one yoke. A single piece of equipment consisting of a multiple receptacle comprised of four or more receptacles shall be calculated at not less than 90 volt-amperes per receptacle. This provision shall not be applicable to the receptacle outlets specified in 210.11(C)(1) and (C)(2).



(J) Receptacle Outlets in Office Buildings.


In office buildings, the receptacle loads shall be calculated to be the larger of the following:
  • (1)
    The calculated load from 220.14(I)
  • (2)
    11 volt-amperes/m2 (1 volt-ampere/ft2)
 
Status
Not open for further replies.
Top