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TELECOMMUNICATIONS REFERENCE CONDUCTOR
 
   

There are 3 types of telecommunication earthing systems allowed by the ACIF.

  • CES – Communications Earth System
  • TRC – Telecommunications Reference Conductor
  • D.d. Earth – DC Supply Earthing.

Earthing within telecommunications network serves two functions.

  1. Functional (means the protective earth provides a function)
  2. Protection (purely a safety conductor ie: lightening strike)
 

 

Earthing System

Functional

Protective

Conductor Colour

CES

Yes

Yes

Green / Yellow

TRC

Yes

No

Violet

d.c Earth

Yes

No

See AS 3015

With regards to (Size) & (Resistance) of each:

Earthing System

Conductor Size

Resistance

CES

6.0 mm & 2.5 mm

1 ohm

TRC

4.0 mm

5 ohm

 

TRC Configuration CES Configuration

 

This page was last modified on 21 January 2010 and maybe out of date with regards to newer practices at the time of reading this article

 

IF YOU WANT KNOW MORE - JUST SEARCH...

 

 

 
Other "Telecommunicaton Abbreviations"
How to change a Hot Water System Element
What is STP ?
Exploding Batteries
Incorrect Off Peak Hot Water System Metering
What is Tagg and Testing?
What is PABX ?
 

 

 
 
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