Standard for the distance between Elec. & Data connections / cables

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Discussion Overview

The discussion revolves around the standards or regulations concerning the distance between electrical and data cables or connectors in electrical equipment. Participants explore the implications of cable placement for minimizing interference, referencing existing guidelines where applicable.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant seeks information on global standards for the distance between electrical and data cables in equipment, noting a lack of specific guidelines.
  • Another participant mentions the practice of keeping data cables and power cables in separate conduits to avoid interference.
  • A third participant references the Canadian Electrical Code, suggesting a minimum distance of one foot between data communication cables and standard power cables when running parallel for extended lengths, and recommends crossing at 90 degrees for optimal noise immunity.
  • A later reply reiterates the initial inquiry about standards and emphasizes the need to consult local regulations, indicating that standards may vary by country.

Areas of Agreement / Disagreement

Participants express varying levels of knowledge about standards, with some providing specific recommendations while others highlight the absence of universally applicable guidelines. The discussion remains unresolved regarding a definitive standard.

Contextual Notes

Participants note the potential variability of regulations by country and the importance of local authority guidelines, indicating that the discussion may be limited by regional differences in standards.

happy.smiler
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Hi Guys,

I am trying to find out if there are any standards / regulations (world wide) for the distance between Electrical and Data cables and or connectors in electrical equipment.

There is some info on medical equip. and cabling in buildings but nothing on the actual equipment. Its logical to try and place them far a apart as possible, but I can't find any info on it!

thanks:smile:
 
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I always made sure that data cables and power carrying cables were in separate conduits.
 
If I recall correctly, the recommendation in the abridged CEC (Canadian Electrical Code) is to keep datacomm (regular Cat-5, Cat-3 telecom, etc.) at least a foot away from standard 15/20A cables when they must run in parallel for more than 3 or 4 feet, and preferentially that they only cross at 90 degrees There is some noise immunity offered by having twisted pairs (at least for Cat-5e) and foil shielding (some of the more expensive Cat-5e, Cat-6).

EDIT: Parallel distance added
 
happy.smiler said:
Hi Guys,
I am trying to find out if there are any standards / regulations (world wide) for the distance between Electrical and Data cables and or connectors in electrical equipment.
There is some info on medical equip. and cabling in buildings but nothing on the actual equipment. Its logical to try and place them far a apart as possible, but I can't find any info on it!
thanks:smile:

Dunno what country you are in, but the first place to check would be with your local power and telecommunications authorities. I am sure it varies from country to country. You need to find out what the rules are in YOUR country :)

cheers
Dave
 
Last edited:

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