Home Technology eMagazine Article

August 2010

Pre-Wire Your New Home: Plan For The Future
Chapter 7: Proper Terminations

Author: David Feller, BOCS Company
This is the sixth installment of a multi-part series covering all aspects of low voltage wiring in the home: entertainment, security, automation, and future planning. A new section will be published every few weeks.

Pre-Wire Your New Home - Chapter 6 - Whole Home AudioTable Of Contents:

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Chapter 7: Proper Terminations

Media Cabinet Organization:
Note that these instructions are given using a basic configuration of having coax, telephone, and Ethernet in a single media cabinet. Adjust your plans based on the layout that best fits your needs. For larger installations, a single cabinet or wall-mount for all the terminations is preferred, then use patch cords to individual cabinets or racks with equipment.

 

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Terminating wires:

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COAX:

Telephone:

45

 

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7

Ethernet:

8

 

568A Wiring

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Pair #

Wire

Pin #

1 - White/Blue

White/Blue

5

Blue/White

4

2 - White/Orange

White/Orange

3

Orange White

6

3 - White/Green

White/Green

1

Green/White

2

4 - White/Brown

White/Brown

7

Brown/White

8

1

568B Wiring

3

Pair #

Wire

Pin #

1) White/Blue

White/Blue

5

Blue/White

4

2) White/Orange

White/Orange

1

Orange White

2

3) White/Green

White/Green

3

Green/White

6

4) White/Brown

White/Brown

7

Brown/White

8

2

4

 

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Keystone plates like this can be easily configured to accept any combination of data, phone, cable, or RCA connectors and is a good choice as a standard plate. Follow the same wiring color codes for the A or B you chose for your home.

 

Patch Cords:
So, even though you heard us recommend you to buy patch cables, you want to make our own?
http://www.youtube.com/watch?v=482VtesZwZ8 Terminating an Ethernet cable with RJ45 plug. Please note that there are many different styles, I prefer the type that has a small (2mm thick “wedge” ) clear plastic insert that you feed onto all the wires first, cut them off to length, and then slide the whole thing into the actual plug. That allows you to really get all the wires where they belong and insures that the right length between the end of the cut wire and the start of the insulation is achieved so the Jack gets a good grip on the insulation. OR the kind where the wires are pulled all the way through the plug and then cut off.


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http://www.lanshack.com/cat5e-tutorial.aspx Cat5e tutorial online - if you want to read more on dos and don’ts as well as technical specs on Catx cables.

Component Video:
Generally, a run of Cat6 cable will take care of component video and digital audio when you add a balun, but that is not always the best option. If you already know where you need component A/V runs and especially within a home theater (for instance from the media cabinet up to the projector), it is frequently a better choice to run dedicated mini-coax. You can get R/B/G mini coax from a number of sources and that allows you to also skip the expensive baluns – one less thing to break is usually a good idea. This is not a common item at Home Depot but can easily be found online. If you are a really good planner, you can buy pre-made cables in just about any length from companies like monoproce online.

Crimping on ends is straightforward but takes a special set of tools. Ther are detailed pictures on that process HERE

Security Wires
Generally, they will all terminate directly to screw posts directly on the security board. If you are combining multiple sensors into a group circuit, there will be room in the lower half of the security panel to joint those wires (serial or parallel according to the loop type) and run a single set of wires to the security panel. Never put multiple wires under a single screw.

Speaker wires
Typically, speaker wires will go directly to the distribution amp or switch and terminate under screw posts on the amp. If you want to terminate the field wires then the normal process is to use a screw block.

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It is good practice to put a spade lug on the wire before securing it under the screw. A Crimped spade lug will provide a better connection than just compressing it under the screw especially for stranded wire.

If you really want to get fancy, you can put in a patch panel, but avoid using the semi-obvious headphone plugs and go for a connector not prone to poor connections from tarnish like a Speakon connector system. They provide a solid connection and can be purchased in 4 pole plugs meaning it is a stereo connection.

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Appendix A: Links to sources, references, and products:

Other good how-to and pre-wire guides:

Products referenced in this guide:

 

With 20 years in the Consumer Electronics space, David pioneered wireless LAN for home use in partnership with Linksys, rotating storage for portable electronics at Cornice, and is most recently a founder and chief marketing officer of BOCS Inc, the manufacturer of a new whole home A/V distribution system for retrofit applications