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sam29

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we have a 10' x 14' rm with 100A- 120/208v 3 phase electric panel inside.our manager wants to convert this rm into bathroom,but prefer not to re-locate the panel boad. does NEC allow electric panel in the bathroom.
 
240.24 Location in or on Premises.
(E) Not Located in Bathrooms. In dwelling units and guest rooms or guest suites of hotels and motels, overcurrent devices, other than supplementary overcurrent protection, shall not be located in bathrooms.
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Sounds like you're Ok.
 
Don't forget about 240.24(A) Accessibility. Overcurrent devices shall be readily accessible unless one of the following applies:
(1) For busways, as provided in 368.12.
(2) For supplementary overcurrent protection, as described in 240.10.
(3) For overcurrent devices, as described in 225.40 and 230.92.
(4) For overcurrent devices adjacent to utilization equipment that they supply, access shall be permitted to be by portable means.

If this bathroom has a lock, that's probably not going to work.
 
Suemarkp,
Read the definitions of "accessible" and "readily accessible" again. Accessible says that it cannot be "guarded by locked doors". Readily accessible has no such restriction. Since the equipment has to be "readily accessible" locks are OK. Just think how many panels you have seen with locks on the panel door. This is confusing to many people to say the least. We would assume that readily accessible is more restricitive that accessible, but it is not...
 
I don't see anything about locks in "accessible". It seems to deal with not damaging building finish. Readily accessible specifically says no obstacles or ladders, but also has the more generic "capable of being reached quickly for operation". As usual, there is no cut and dried answer, and is going to depend on what your inspector deems is readily accessible or not.
 
Mark,
Read it again.
Accessible (as applied to equipment) ..."not guarded by locked doors"....
Now read Accessible, Readily (Readily Accessible) There is no mention of locked doors, so they are OK.
It appears that you are referring to Accessible (as applied to wiring methods). In this case we are discussing equipment, ie a panel.
 
georgestolz said:
How quickly can you get to that OCPD without a key to the locked door? :)
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What bearing does this question have on OPs question?

Quote:
240.24 Location in or on Premises.
(E) Not Located in Bathrooms. In dwelling units and guest rooms or guest suites of hotels and motels, overcurrent devices, other than supplementary overcurrent protection, shall not be located in bathrooms.

Sounds like you're Ok.
__________________
Trevor

What makes you think this is not a dwelling unit?

240.24(B) Occupancy. Each occupant shall have ready access to all overcurrent devices protecting the conductors supplying that occupancy.

Exception No. 1: Where electric service and electrical maintenance are provided by the building management and where these are under continuous building management supervision, the service overcurrent devices and feeder overcurrent devices supplying more than one occupancy shall be permitted to be accessible to only authorized management personnel in the following:

(1) Multiple-occupancy buildings

(2) Guest rooms or guest suites of hotels and motels that are intended for transient occupancy

Exception No. 2: Where electric service and electrical maintenance are provided by the building management and where these are under continuous building management supervision, the branch circuit overcurrent devices supplying any guest rooms or guest suites shall be permitted to be accessible to only authorized management personnel for guest rooms of hotels and motels that are intended for transient occupancy.

What is Multiple-occupancy buildings?
 
I call a multiple occupancy building a mixed use building. Upper levels R units (dwellings), B (businesses) on lower levels, S occupancy (underground parking). I hope that answers your question. Ron
 
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