Techo fotovoltaico - energía verde

5 March, 2022

Water Resistant Cables: Types and Classification

Classification of water resistant cables according to water protection

Electrical cables are used in various applications or installations, often under adverse environmental conditions. AD protection (against water) establishes to what extent an electrical cable can be exposed to moisture, according to UNE 20460-3:1996 standard.

Location in which the walls do not generally show traces of water, but can appear in small periods, for example, in the form of steam and which dries quickly thanks to good ventilation.


The water vapour occasionally condenses in the form of water drops or when vapour may occasionally be present.


Location in which water vapour appears as a continuous film on the walls and/or floors.

Top Cable has the following cables with AD3 protection:

TOPFLEX H07V-K

TOXFREE ZH H07Z1-K (AS)


Location where the equipment may be subject to water projections; applies, for example, to certain luminaires or cabinets installed outdoors.


Location where hoses are regularly used in the presence of water (patios, car washes).

Top Cable has the following following cables with AD5 protection:

TOXFREE ZH RZ1-K (AS)

SCREENFLEX 110 LiYCY

FLEXTEL 140 H05VV5-F


Locations located at the edge of the sea, such as beaches, docks, etc.

Top Cable has the following cables with AD6 protection:

TOPFLAT H07VVH6-F


Locations susceptible to flooding and/or where the water can reach a maximum of 150 mm above the highest point of the equipment, the lowest part of the equipment can be more than one metre below the surface of the water.

Top Cable has the following cables with the AD7 protection:

– POWERFLEX RV-K

POWERHARD M RVMV-K

TOXFREE ZH Xtrem H07ZZ-F (AS)


Water resistant

Locations such as swimming pools, where the electrical equipment is completely covered with water and permanently subjected to a pressure of more than 1 bar.

Immersion Water Resistance cables

Top Cable has the following cables with the AD8 protection:

XTREM H07RN-F

XTREM DN-K

TOPSOLAR H1Z2Z2-K

If you need additional or specific information about any other cable, you can contact our sales representatives.