Sheathed cable NYM-J 2.5 mm²
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NYM-J 2.5mm² Sheathed Cable – Buy VDE-Certified PVC Installation Cable for Professionals at Ekabel24
The NYM-J 2.5mm² Sheathed Cable is the trusted European standard for safe, reliable fixed wiring. This VDE-approved PVC installation cable (DIN VDE 0250-204) is perfect for dry, damp, and wet rooms. It installs easily on, in, or under plaster, in masonry, and concrete (except vibrated or tamped concrete). Suitable for outdoor use when protected from direct sunlight – not for direct burial. Ideal for professional electricians, electrical contractors, construction companies, renovation firms, industrial facilities, research centers, and van conversions.
Technical Specifications – NYM-J 2.5mm² Cable
“N” = standardised cable, “Y” = PVC insulation, “M” = sheathed cable, “J” = with green/yellow protective earth. Solid bare copper conductors (Class 1). Grey PVC outer sheath (RAL 7035). Rated voltage: 300/500 V. Test voltage: 2 kV. Fixed installation temperature range: -40 °C to +70 °C. Flame-retardant according to VDE 0482-332-1-2.
| Variant | Approx. Outer Diameter | Weight (kg/km) | Current Rating (Method C example) | Typical Applications |
|---|---|---|---|---|
| 3×2.5 mm² | ~10 mm | 170–200 | 21–27 A | Socket outlets & lighting circuits |
| 5×2.5 mm² | ~12 mm | 250–280 | 18–24 A per phase | Three-phase, cookers, workshops |
| 7×2.5 mm² | ~13.5 mm | 320+ | Configuration dependent | Control circuits, labs, industrial plants |
Applications of NYM-J 2.5mm² Sheathed Cable – Boosting Traffic for B2B Projects
The 2.5 mm² cross-section delivers higher load capacity, making this cable the professional choice across industries:
- Electrical contractors & service companies: socket circuits, lighting, and distribution boards – fully compliant and liability-safe.
- Construction & renovation companies: new builds, refurbishments, and modernisations – effortless installation in walls, ceilings, and floors.
- Industrial & commercial facilities: machine connections, factory wiring, and permanent installations.
- Van conversion & campervan builders: protected 230 V interior wiring in motorhomes and commercial vans.
- Research centres & laboratories: stable, vibration-resistant power supply for sensitive equipment.
Expert tip from our technicians: Always consult DIN VDE 0298-4 for precise ratings or contact us. For underground or exposed outdoor use, choose NYY-J instead.
Frequently Asked Questions (FAQ) – NYM-J 2.5mm² Sheathed Cable
1. What does NYM-J mean?
N = Standardised cable, Y = PVC insulation, M = Sheathed cable, J = With green/yellow earth conductor. Manufactured and VDE-tested to DIN VDE 0250-204.
2. Where can NYM-J 2.5mm² cable be installed?
In dry, damp, and wet rooms. Suitable for surface or concealed installation in plaster, masonry, and concrete (not vibrated/tamped). Outdoor use permitted if protected from direct sunlight. Not for direct burial.
3. 3×2.5 mm² or 5×2.5 mm² – which is right for me?
3×2.5 mm² for standard single-phase sockets and lighting. 5×2.5 mm² for three-phase supplies, cookers, or higher loads in commercial and industrial projects.
4. Can NYM-J cable be buried in the ground?
No. For underground installations you must use purpose-designed cables such as NYY-J.
5. What is the current-carrying capacity of NYM-J 2.5mm²?
Typically 21–27 A depending on installation method and core count (per DIN VDE 0298-4). Always have the design checked by a qualified electrician.
6. Is NYM-J 2.5mm² suitable for van conversions?
Yes – perfect for protected indoor 230 V wiring in campervans and commercial vans. For external or flexible use, other cable types are recommended.
7. What is the difference between NYM-J and NYM-O?
NYM-J includes the green/yellow protective earth. NYM-O does not and is used for special control or three-phase applications where a separate earth is provided.
8. Why buy from Ekabel24?
Competitive B2B pricing, volume discounts, fast Europe-wide shipping, expert technical support, and 0 % VAT for EU business customers with valid VAT ID.
Need a large-quantity quote or project-specific cable selection help? Contact our team today – we support electricians, contractors, construction firms, van builders, and industrial projects across Europe.