Furnace / Boiler Shutoff Location - InspectionNews

Jon mackay · #1 (**permalink**) 03-08-2010, 08:43 AM

What is the standard for the location of of the service power switch on a boiler and furnace?
I am seeing them at doorways to the basement and more often, on the unit themselves.

What should be called out?

Dave Wheeler · #2 (**permalink**) 03-10-2010, 07:06 PM

both are needed. At the top of the stairs for an emergency shutdown and by the unit for the tech

Jon mackay · #3 (**permalink**) 03-11-2010, 05:30 AM

I see, Is there a date that this rule came into play?
Does anyone have documentation on this?

I always like to be able to back up my findings.

Thank you for the info.

Wayne Carlisle · #4 (**permalink**) 03-11-2010, 07:25 AM

I'm not aware of a disconnect required at the top of the stairs but one is required at the unit itself or within site.

TABLE E4001.5
DISCONNECTING MEANS
Air-conditioning condensing units and heat pump units.
A readily accessible disconnect within sight from unit as the only allowable
means. *a

a. The disconnecting means shall be permitted to be installed on or within the unit. It shall not be located on panels designed to allow access to the unit.

Jim Robinson · #5 (**permalink**) 03-11-2010, 08:39 AM

What is this 'basement' that you guys are speaking of. Just at the unit itself around here, unless you count the breaker panel as a shut off. Generally just a plug that can be removed from the receptacle outlet.

Jon mackay · #6 (**permalink**) 03-11-2010, 09:39 AM

Thank you Wayne, what is that from? NRC?

Jim, A basement is one or more floors of a building that are either completely or partially below the ground floor.

Wayne Carlisle · #7 (**permalink**) 03-11-2010, 09:41 AM

You're welcome!
It's actually from the 2006 IRC but the NEC has the same wording or real close to it!