How to Wire a Phone Jack (Voice or Telephone RJ-11 thru RJ-14) How to Wire a Phone Jack (Voice or Telephone RJ-11 thru RJ-14) (USOC Wiring Diagram) Telephone wiring for a phone outlet is typically either 1, 2 or 3 pairs (2, 4, or 6 conductor). Most cable nowadays is UTP (unshielded twisted pair). There may be instances where you may need to connect to or transpose from the old "quad" cable. Wire Color Code Configuration for Phone - YouTube Click to view on Bing5:44Ron discusses wiring for phone circuits and USOC wiring. He covers the pair colors and their positions in the jack and how to convert old wire colors to the new Cat 5e colors. #RonKipperDatacomm.Author: Ron Kipper DatacommViews: 660K Commercial Electric Voice Grade Jack - White-5023-WH - The OverviewReviewsCommercial Electric voice grade jacks are used to terminate category 3 network cable. It is used for phone, When i chose the "Voice Grade Jack - White" I was under the mistaken impression that I could install it in my existing wall jack and it would improve voice quality and clarity for my household phone.See more on homedepot4.7/5(7)Brand: Commercial Electric CE TECH 5023-LA : Installation Guide Get CE TECH 5023-LA Installation Guide. Get all CE TECH manuals! Voice Grade Jack Wiring Diagram – Diagram Sample Voice Grade Jack Wiring Diagram. Voice Grade Jack Wiring Diagram. Image Info File Name : rj45_pinout_t568a_5 Dimensions : 600x600 Ratio : 1:1 File Size : 33 KB File Type : image/jpeg. Sponsored Links ← Previous; Leave a Reply Cancel reply. Your email address will not be published. Required fields are marked * Comment. Telephone Jack Installation Instructions & Photo Guide Telephone Jack Installation Instructions. Package calls it a Quickport Voice Grade Jack. Buy Leviton modular jacks. Steps for Installing a Modular Telephone Jack. Inside of the old phone plate we are replacing. Determine which color code grid on the jack corresponds to your wiring using the chart on the package instructions.