EXVB Eca 1kV
EXVB Eca 1kV
EXVB Eca is a distribution and connection cable for household and industrial underground low-voltage installations of 0.6/1kV with reinforced PVC outer sheath. When buried, EXVB Eca must have an extra mechanical protection. The cable is UV resistant and may be exposed to direct sunlight. The cable is suitable for use at ambient temperatures between -20°C and + 60°C.
EXVB Eca has fire reaction class Eca according to EN 50575 and according to AREI/RGIE must be installed singly (not in bundle nor side by side) and only in areas with normal fire risk.
NationalNBN HD 603 Part 5/Sect.A
- Copper core
- XLPE insulation (X)
- PVC Filler
- PVC reinforced outer sheath (V)*
- 1x: green/yellow or blue or black
- 2x: blue, brown
- 3x: brown, black, grey
- 3G: green/yellow, light blue, brown
- 4x: light blue, brown, black, grey
- 4G: green/yellow, brown, black, grey
- 5G: green/yellow, light blue, brown, black, grey
- In cable duct
- In tube
- In ground with protection
- In open air
- In industry or houses
*Impact of the changes in the construction standard of EXVB Eca
In addition to the changes made to the EXVB Eca for the purpose of the CPR with its new classification of fire reaction according to EN 50575:2014/A1:2016, the cable has undergone another major change. This change has been included in its amended construction standard NBN HD 603:2007/A1:2016, which came into force in October 2016.
This change concerns the thickness of the outer sheath: in its former version, the standard prescribed an average (nominal) thickness. These values have become the minimal thickness. This means that - on average - the outer sheath contains 10% more material.
In order to be compliant, cables produced since October 2016 must fully comply with the amended version of the construction standard, NBN HD 603:2007/A1:2016.
Minimum Installation & Operating Temperature
Provided the conditions explained hereunder are respected, cables can be installed and operated at low temperatures down to -20°C:
Minimum Temperature during Installation
Ideally, the cable should not be installed at an ambient temperature below 5°C. If this is not possible, the cable must be kept in a heated room of at least 20°C for 24 hours. During installation, the temperature of the sheathing must be properly monitored. If it cools down too much (below 5°C), it must be warmed up again.
Minimum Temperature during operation
The cable can operate at a minimum ambient temperature of -20°C, provided the following conditions are met:
- the procedure for minimum temperature during installation has been respected
- the cable has been laid according to the rules of good practice and the bending radius has been scrupulously respected during installation
- the cable must not move at all after installation: no repositioning and certainly no exposure to vibrations.
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