The 4 mm² halogen-free electrical cable in blue, 100-meter reel (reference B10557211), is the ultimate professional solution for safe, efficient, and long-lasting electrical installations. Designed under strict safety regulations, this flexible H07Z1-K cable stands out for its high quality and flame-retardant composition, making it an essential component for both professional electricians and advanced renovation projects in homes, commercial premises, and industrial facilities.

Thanks to its 4 mm² cross-section, this cable ensures optimal electrical current conduction, minimizing energy losses and withstanding demanding workloads. Its halogen-free thermoplastic insulation offers a crucial advantage over traditional PVC cables: in the event of a fire, it does not emit toxic gases or corrosive fumes, protecting both people and sensitive electronic equipment and complying with the most stringent Low Voltage Regulations.

Features of the 4 mm² Blue 100 m Electrical Cable

• Cable type: Single-core flexible wire H07Z1-K.


• Section: 4 mm².


• Color: Blue (usually intended for neutral conductor).


• Length: 100 meter reel.


• Insulation: Halogen-free (Non-Halogen), fire safe.


• Nominal voltage: Suitable for low voltage installations.


• Flexibility: High malleability to facilitate guiding and insertion into corrugated tubes and conduits.


• Product reference: B10557211.

Frequently Asked Questions

What is the 4 mm² blue cable used for?

Traditionally, in domestic and industrial electrical installations, blue wire is used to identify the neutral conductor. The 4 mm² cross-section is widely used for circuits requiring specific power or branch circuits that demand greater current-carrying capacity than standard lighting wires.

What advantages does a halogen-free cable offer compared to conventional PVC?

The main advantage lies in fire safety. Halogen-free cables do not emit corrosive gases or dense, toxic fumes when burning, thus preventing respiratory damage and corrosion of metal and electronic components in the vicinity of the fire.

Is it easy to pass through the corrugated pipe?

Yes, being a flexible class 5 wire with a sliding coating, it adapts perfectly to the curves of pipes embedded in walls, greatly facilitating the wiring work in any construction or renovation project.