Thanks Craig. I'm on vacation, was asked a question and don't have many of my references handy. I thought I's ask you guys since you all seem to know a little bit about this stuff. As is always the case, any help is appreciated muy mucho.
On Thu, Sep 3, 2009 at 1:34 PM, <[email protected]> wrote: > There are numerous references to Identification of Conductors throughout the > NEC. The electrical guy needs to determine what and how based on the > specific reference. Sorry but I just don't have time to go through them all > right now. Look at Article 215 FEEDERS, > > 215.12 Identification for Feeders. > (A) Grounded Conductor. The grounded conductor of a > feeder shall be identified in accordance with 200.6. > (B) Equipment Grounding Conductor. The equipment > grounding conductor shall be identified in accordance with > 250.119. > (C) Ungrounded Conductors. Where the premises wiring > system has feeders supplied from more than one nominal > voltage system, each ungrounded conductor of a feeder > shall be identified by phase or line and system at all termination, > connection, and splice points. The means of identification > shall be permitted to be by separate color coding, > marking tape, tagging, or other approved means. The > method utilized for conductors originating within each > feeder panel board or similar feeder distribution equipment > shall be documented in a manner that is readily available or > shall be permanently posted at each feeder panel board or > similar feeder distribution equipment. > > Craig L. Prahl, CET > Fire Protection Specialist > Mechanical Department > CH2MHILL > Lockwood Greene > 1500 International Drive > PO Box 491, Spartanburg, SC 29304-0491 > Direct - 864.599.4102 > Fax - 864.599.8439 > [email protected] > http://www.ch2m.com > > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Ron Greenman > Sent: Thursday, September 03, 2009 4:15 PM > To: [email protected] > Subject: Re: Marking of Feeders > > Thanks Craig, but more qualification of the question again. Does there need > to be some identification at the transformer denoting that a feeder goes to a > fire pump so it won't be inadvertently disconnected. > The reference you sent seems to only apply at disconnect locations. > > On Thu, Sep 3, 2009 at 1:10 PM, <[email protected]> wrote: >> Article 695 of NFPA 70 (NEC) covers Fire Pumps. 2008 ed, See >> 695.3(1), refers to 230.2, & NFPA 20:9.2.3 >> >> 230.2(E) Identification. Where a building or structure is supplied by >> more than one service, or any combination of branch circuits, feeders, >> and services, a permanent plaque or directory shall be installed at >> each service disconnect location denoting all other services, feeders, >> and branch circuits supplying that building or structure and the area >> served by each. See 225.37. >> >> >> >> Craig L. Prahl, CET >> Fire Protection Specialist >> Mechanical Department >> CH2MHILL >> Lockwood Greene >> 1500 International Drive >> PO Box 491, Spartanburg, SC 29304-0491 Direct - 864.599.4102 Fax - >> 864.599.8439 [email protected] http://www.ch2m.com >> >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of Ron >> Greenman >> Sent: Thursday, September 03, 2009 3:43 PM >> To: [email protected] >> Subject: Marking of Feeders >> >> When a transformer is supplying a fire pump and other services do the fire >> pump feeders need to be marked and if so what reference? >> >> -- >> Ron Greenman >> Instructor >> Fire Protection Engineering >> Bates Technical College >> Tacoma, WA >> >> Member: >> SFPE, ASCET, NFPA, AFSA, NFSA AFAA >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum >> >> For Technical Assistance, send an email to: [email protected] >> >> To Unsubscribe, send an email >> to:[email protected] >> (Put the word unsubscribe in the subject field) >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum >> >> For Technical Assistance, send an email to: [email protected] >> >> To Unsubscribe, send an email >> to:[email protected] >> (Put the word unsubscribe in the subject field) >> > > > > -- > Ron Greenman > Instructor > Fire Protection Engineering > Bates Technical College > Tacoma, WA > > Member: > SFPE, ASCET, NFPA, AFSA, NFSA AFAA > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:[email protected] > (Put the word unsubscribe in the subject field) > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum > > For Technical Assistance, send an email to: [email protected] > > To Unsubscribe, send an email to:[email protected] > (Put the word unsubscribe in the subject field) > -- Ron Greenman Instructor Fire Protection Engineering Bates Technical College Tacoma, WA Member: SFPE, ASCET, NFPA, AFSA, NFSA AFAA _______________________________________________ Sprinklerforum mailing list [email protected] http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum For Technical Assistance, send an email to: [email protected] To Unsubscribe, send an email to:[email protected] (Put the word unsubscribe in the subject field)
