Is this at the service entry? You can use a dielectric flange kit at that point or, as Geo said a dielectric union.
SL ------Original Message------ From: Mike Brown Sender: [email protected] To: AFSA ReplyTo: AFSA Subject: "SCIF" Wall Penetration Sent: Mar 5, 2010 4:15 AM Question I am working on a project where the FPE is asking for a "electrically isolated joint on the sprinkler feed main just inside the wall"? Has anyone had to deal with this before...if so what did you use? 4" Sch. 40 Main. Thanks, Mike Brown _______________________________________________ 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) Sent from my Verizon Wireless BlackBerry _______________________________________________ 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)
