Products catalog

Home/Product Catalog/Electrical distribution and installation/Electrical power | power cables | wires with copper conductors/Copper power supply cables KH05VV-U (NYM-J)
  • New itemTop seller   Copper installation cable NYM-J | 5×10 mm² | 300/500 V | white | 1 m | Lietkabelis KH05VV-U 5G10

    Copper installation cable NYM-J | 5×10 mm² | 300/500 V | white | 1 m | Lietkabelis KH05VV-U 5G10

    Code: KH05VV-U 5G10
    Inquire about this item
    Price 8.75 € VAT incl.
    ( 7.23 € VAT excl. )
    Want another price? Suggest yours!

    NYM-J 5×10 mm² (KH05VV-U 5G10) – AB Lietkabelis copper installation cable with solid class 1 conductors, PVC insulation and a white PVC sheath, 300/500 V. For fixed installation inside buildings: in walls, under plaster, in conduits and trunking. Sold by the metre.

    5 cores (L1, L2, L3, N, PE) for three-phase 400 V installation with neutral: three-phase sockets, cookers, sub-boards and mixed loads.

  • Product description

    Copper installation cable NYM-J | 5×10 mm² | 300/500 V | white | 1 m | Lietkabelis KH05VV-U 5G10

    NYM-J 5×10 mm² – white copper cable with 5 solid conductors (L1, L2, L3, N, PE) for fixed electrical installation inside buildings. Manufacturer – AB Lietkabelis, designation KH05VV-U 5G10, rated voltage 300/500 V.

    Key point:
    A five-core cable is the universal three-phase solution: three phases, neutral N and protective PE. It suits both three-phase and mixed (three-phase + single-phase) loads.
    Number of cores
    5 (L1, L2, L3, N, PE)
    Cross-section
    10 mm²
    Typical protection
    40 A circuit breaker
    Installation
    Indoors

    How it works

    The cable is installed permanently: in walls, under plaster, in conduits or trunking from the board to the load. Cores are connected by colour: L1, L2, L3, N, PE.

    Solid 10 mm² copper conductors carry the current, while PVC insulation and the white sheath protect them mechanically and electrically. The continuous conductor temperature is up to +70 °C, so the current rating depends on how well the cable dissipates heat.

    With the right protection (40 A) and length (up to ≈ 75 m at 40 A), the circuit runs for years without overheating and the voltage drop stays within 3 %.

    Why choose NYM-J 5×10 mm²?
    It is a simple, reliable solution for a circuit where three-phase 400 V with neutral is needed: solid conductors are easy to terminate, the white sheath looks neat on surfaces, and you buy exactly as many metres as you need.

    Technical data

    Product type Copper installation cable NYM-J
    Manufacturer AB „Lietkabelis“ – KH05VV-U 5G10
    Number of cores 5 (L1, L2, L3, N, PE)
    Cross-section per core 10 mm²
    Conductor Solid (class 1) annealed copper
    Insulation / sheath PVC / white PVC
    Rated voltage 300/500 V
    Conductor temperature Up to +70 °C continuous, up to +160 °C during a short circuit
    Ambient temperature In service −30…+70 °C, installation −5…+40 °C
    Minimum bending radius ≥ 5 × cable diameter
    Cable diameter (manufacturer data) 17.57 mm
    Current rating (indicative) about 46–57 A to IEC 60364-5-52 (3 loaded cores, +30 °C, installation methods B2–C)
    Typical protection 40 A circuit breaker – up to ~27.7 kW (three-phase 400 V with neutral, cos φ = 1)
    Circuit length (ΔU ≤ 3 %) up to ≈ 75 m at 40 A load
    Installation Indoors: in walls, under plaster, in conduits, trunking, surface-mounted
    Sales unit 1 metre
    ⚠ Check: values are indicative. Grouped cables, cables in thermal insulation or at higher temperatures have a lower rating. Protection follows IB ≤ In ≤ Iz; the final decision rests with the electrical design.

    Key functions

    • Power transmission – three-phase 400 V with neutral up to ~27.7 kW with 40 A protection.
    • Solid class 1 conductors – reliable contact in screw and push-in terminals.
    • Colour-coded cores – L1, L2, L3, N, PE, faster and safer connection.
    • PVC insulation and sheath – double protection for indoor installation.
    • Sold by the metre – less waste and a more accurate estimate.

    How does it differ from similar cables?

    • NYM-J 5×6 mm² – smaller cross-section – about 34–41 A, for lighter loads or shorter runs.
    • CYKY-L cable – black, also for outdoor and underground use with protection; NYM-J is for indoor use only.

    Where is it used?

    • Three-phase cookers and sockets.
    • Supply to flat and house sub-boards – according to incoming protection.
    • Workshops and garages – three-phase indoor circuits.
    • Mixed loads – where single-phase appliances are also supplied.

    Use by need

    House builder.
    Three-phase cooker, sub-board supply or three-phase socket with N and PE.
    Workshop or garage owner.
    A three-phase circuit that can also supply single-phase appliances.
    Electrical contractor.
    A universal three-phase cable for indoor wiring on projects.

    Practical example

    For example, a three-phase circuit with 40 A protection has to be run to a cooker or workshop socket. NYM-J 5×10 mm² is suitable if the run is no longer than ≈ 75 m and the cable is not grouped or buried in thermal insulation.

    Pros

    • Solid copper conductors – hold their shape and terminate reliably.
    • White sheath – neat appearance for surface installation.
    • Made by Lietkabelis – established Lithuanian manufacturer with clear technical data.
    • Sold by the metre – pay only for the length you need.

    Cons / limitations

    • Not for direct burial or unprotected outdoor use – choose CYKY-L for that.
    • Not for portable equipment – solid conductors are not made for repeated flexing.
    • PVC insulation – where halogen-free cables are required, choose NHXMH-J.

    Safety and installation notes

    • Before work, isolate the supply, secure it against switching on and verify that no voltage is present.
    • Run cables in walls vertically and horizontally – so they aren't drilled later.
    • Strip cores with a proper tool without nicking the copper.
    • Before energising a new circuit, measuring insulation resistance is recommended.
    • Installation must be carried out by a qualified electrician.
    • 5×10 is not a single 50 mm² conductor.
    • The cable is not chosen by the breaker alone – installation method and circuit length are checked too.

    Quick selection guide

    Choose NYM-J 5×10 mm² for a three-phase 400 V indoor circuit with neutral.

    5 × 10 mm²
    300/500 V
    40 A
    Indoors
    Suitable when you need:
    • a three-phase 400 V circuit with N and PE;
    • protection by a 40 A circuit breaker;
    • a run of up to ≈ 75 m at 40 A load.
    Check before ordering:
    • that the load and breaker match the 5×10 mm² cross-section;
    • that the circuit is no longer than ≈ 75 m at 40 A load;
    • that the cable will be installed indoors;
    • that you order enough length for connection.
    Important reminder: The 5×10 mm² designation alone does not define the maximum current or power. Choose the cable by load, installation method, circuit length and protective device.

    FAQ – frequently asked questions

    What is the difference between NYM-J and KH05VV-U?
    It is the same cable type: NYM-J is the common designation, KH05VV-U is the Lietkabelis product designation.
    Does 5×10 mean a total cross-section of 50 mm²?
    No. These are 5 separate 10 mm² cores.
    Can it be laid outdoors or underground?
    No. NYM-J is for indoor use; outdoors and underground choose CYKY-L, underground with mechanical protection and warning tape.
    Do you sell by the metre?
    Yes, the sales unit is 1 metre; for project quantities we prepare a quotation.
    Which circuit breaker should I choose?
    Usually 40 A; finally by load, installation method and circuit length (IB ≤ In ≤ Iz).
    Can it be installed under plaster?
    Yes, NYM-J is intended for installation in walls, under plaster, in conduits and trunking indoors.

    Copper installation cable NYM-J | 5×10 mm² | 300/500 V | white | 1 m | Lietkabelis KH05VV-U 5G10

    NYM-J 5×10 mm² (KH05VV-U 5G10) – white Lietkabelis copper cable with five solid conductors (L1, L2, L3, N, PE) for three-phase installation inside buildings. Sold by the metre.

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.

  • Alternative products

    Cable sheath and wire stripper 0.2–4.0 mm² | ErgoStrip KNIPEX Cable sheath and wire stripper 0.2–4.0 mm² | ErgoStrip KNIPEX Top seller  
    Cable sheath and wire stripper 0.2–4.0 mm² | ErgoStrip KNIPEX
    Code: 169501SB
    Price 48.40 € VAT incl.
    ( 40.00 € VAT excl. )
    Add to cart 
  • privacy policy

    Information