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Network Cabling Question
peternm22 Jul-02-01 08:18 AM
Just finished reading the article "How to Make Your Own Network Cables". At the end some Cabling Rules are stated. I would appreciate if someone could help me clarify some of them.

"4. Keep cables away from devices which can introduce noise into them. Here's a short list: copy machines, electric heaters, speakers, printers, TV sets, fluorescent lights, copiers, welding machines, microwave ovens, telephones, fans, elevators, motors, electric ovens, dryers, washing machines, and shop equipment."

I'm planning to run the cable beside RG-59 cable tv wire. Will this create interferance? (Note: The cable will not actually come close to a television)

6. Do not run UTP cable outside of a building. It presents a very dangerous lightning hazard!

Due to the nature of the network, I am required to run it outside. However, it will have plastic siding covering it, and it will not be more than 8 feet high off the ground (the house is about 25 feet high). The wire will be "hugging" the house the entire time. Will this still create a problem?

Thanks in advance,
Peter McDonald

1. More....
peternm22 Jul-03-01 08:08 AM
In response to message 0
I did a little more researching, and found this: http://www.lightningrod.com/manual2_example.html

On it, there is a diagram with the caption "SEMI-CONCEALED CABLES Conductor cables are semi-concealed on back side of ridges and on facer board (a) at end of house."

This is what I am planning to do. Will this eliminate (some of) the lightning harzard?

Peter McDonald

2. RE: Network Cabling Question
nbc Jul-03-01 08:24 AM
In response to message 0
The network cables at my work run through floor channels. These also hold all twin and earth cable for electric sockets, flourescent lights and telephone wires. We don't get any problems of interference. That doesn't mean that you won't, but modern cables should be able to withstand such environments.

As for the next part of your question, i don't know too much about these things, but i imagine the risks to be no worse than having a TV arial on the roof of your house, or telephone cable running into your house. Both of which have been known to conduct lightning with catastrophic results.

3. RE: Network Cabling Question
lbyard Jul-03-01 02:23 PM
In response to message 2
I would not think that RG-58 with a TV signal would be a problem. The TV cable is shielded. All I can say about running cables outside of a building and lightning I have said before and it is stated at http://duxcw.com/faq/network/outside.htm. Oh, I will add that lightning kills more people than any other weather-related cause of death. I would not attempt to rationalize about it. Larry

4. RE: Network Cabling Question
peternm22 Jul-03-01 05:57 PM
In response to message 3
I realize that lightning is extremely dangerous. However, I don't see why running one cable would cause much (if any more) danger. Our house has dozens of 60 foot trees around it. And as far as lightning hitting the powerlines, and travelling through to the network cable, that won't be a problem. This is because all wiring (television, telephone, and electrical) are done underground in our area.

Also, we avoid using the computers during a lightning storm anyways (that is safety). One of the computers was just purchased with an extended warranty, which covers any type of hardware failure. The other computer would be easily replaced (not very new).

If anyone has any further thoughts on the matter, I would appreciate if you wrote back.

Thanks again,
Peter McDonald

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