Safer Buildings Coalition Code Topic: Defining Backbone and Distribution
There is much confusion over the terms Backbone (Riser, Vertical) and Distribution (Feeder, Horizontal). This SBC Code Topic provides an explanation, complete with Code references, to help illustrate these important distinctions in in-building cabling systems. The definitions for Backbone and Distribution were clarified in the 2019 edition of NFPA 2019. This is important for a number of reasons, not the least of which is the difference in requirements between Backbone and Distribution. Click Here to download the presentation. NOTES: This presentation contains references to copyrighted model code language. The Safer Buildings Coalition encourages you to purchase full copies of the code sections referenced herein directly from the source. Copyright Disclaimer under section 107 of the Copyright Act 1976, allowance is made for “fair use” for purposes such as criticism, comment, news reporting, teaching, scholarship, education and research. |