NYM-J 1x16 mm² Sheathed Cable: Buyer’s Guide, Technical Specs & Comparison
The NYM-J 16 mm² sheathed cable – especially the popular NYM-J 1x16 mm² – is one of the most demanded installation cables for professional electrical work. Whether used as a robust 16 mm² earth cable, for main distribution boards, or high-power circuits, this PVC-sheathed cable delivers excellent safety, durability, and ease of installation.
Browse the full range of NYM-J 16 mm² Sheathed Cable or explore the main category NYM-J Sheathed Cables.
What is NYM-J 16 mm² Sheathed Cable?
NYM-J is a standardized PVC-sheathed installation cable according to DIN VDE 0250-204. The designation breaks down as follows:
- N = Standardized cable
- Y = PVC insulation and outer sheath
- M = Sheathed cable
- J = With green-yellow protective earth conductor
The single-core NYM-J 1x16 mm² (usually green-yellow) is widely used as an earth cable or equipotential bonding conductor.
Technical Specifications of NYM-J 16 mm²
| Parameter | NYM-J 1x16 mm² | NYM-J 5x16 mm² |
|---|---|---|
| Conductor cross-section | 16 mm² copper | 5 × 16 mm² copper |
| Conductor type | RE (solid) or RM (stranded) | RM (stranded) |
| Outer diameter | approx. 9.3 – 9.9 mm | approx. 24 mm |
| Rated voltage | 0.6/1 kV (single-core) | 300/500 V |
| Operating temperature (fixed) | -40 °C to +70 °C | -40 °C to +70 °C |
| Standard | DIN VDE 0250-204 | DIN VDE 0250-204 |
Available Variants of NYM-J 16 mm²
Popular options in our range include:
- NYM-J 1x16 mm² RM Meterware – stranded, more flexible
- NYM-J 5x16 mm² Sheathed Cable Meterware – ideal for powerful three-phase connections and main feeders
- NYM-J 1x16 mm² RE (solid) for straight runs requiring maximum stability
Typical Applications for NYM-J 16 mm² Sheathed Cable
Common uses include:
- Main and sub-distribution boards in residential and commercial buildings
- Earthing and equipotential bonding (especially NYM-J 1x16 mm² green-yellow)
- New builds, renovations, and modernizations
- Damp areas (bathrooms, basements, utility rooms)
- Connecting EV chargers (Wallboxes), PV inverters, and other high-power loads
Comparison: NYM-J 16 mm² vs. NYY-J and Other Cables
| Feature | NYM-J 16 mm² | NYY-J 1x16 mm² | H07V-K 16 mm² |
|---|---|---|---|
| Installation | On, in, or under plaster, in masonry | Direct burial, outdoors, in concrete | Only inside conduits or trunking |
| Sheath | Thick grey PVC sheath | Black PVC sheath (UV resistant) | No additional sheath |
| Suitable for direct burial | No | Yes | No |
Buying Guide: What to Consider When Choosing NYM-J 16 mm²
Key selection tips:
- Choose RE (solid) for straight runs or RM (stranded) for better flexibility
- Use 1x16 mm² for earthing or 5x16 mm² for three-phase power
- Check current-carrying capacity according to VDE 0298-4
- Don’t forget matching accessories such as cable lugs and crimping tools
Frequently Asked Questions (FAQ)
What does NYM-J 1x16 mm² mean?
It is a single-core PVC-sheathed cable with 16 mm² copper conductor and green-yellow earth – commonly used as a 16 mm² earth cable.
What is the outer diameter of NYM-J 1x16 mm²?
Approximately 9.3 – 9.9 mm.
Can NYM-J 16 mm² be buried directly in the ground?
No. For underground installation, use NYY-J underground cable instead.
Is NYM-J 1x16 mm² green-yellow the correct earth cable?
Yes, this is the standard version for protective earthing and equipotential bonding.
What is the current-carrying capacity of NYM-J 16 mm²?
Up to approx. 66 A depending on installation method (per VDE 0298-4).
Need more information about the NYM-J 1x16 mm² sheathed cable? Visit the NYM-J 16 mm² category or contact our team.
Last updated: April 2026 – All technical data based on current VDE standards.