Single Core Tinned Thin Wall Cable - 4.0mm˛ 39A

Price:  £1.28(£1.07 Exc. VAT)

Product code:  P01005

  (5 Reviews)

Please allow an additional 2-3 working days delivery for reels of cable.

By-the-metre cable is supplied as a continuous length. In the unlikely event this is not possible (e.g. we need to take from 2 reels) we will contact you before despatch.


4.0mm² high temperature thin wall marine grade cable with tinned copper conductors, particularly suited to marine and other corrosive environments.

This cable is the same spec as our plain copper thin wall cable, except that the copper conductors have been pre-tinned for corrosion resistance. Thin Wall insulation provides significant weight and volume savings, particularly in large wiring harnesses, and the hard grade insulation provides good protection against abrasion damage and cut-through. It has good resistance to fuels (petrol & diesel), oils and dilute acids and a very high resistance to moisture.


  • Manufactured to: ISO 6722-1:2011 (Class B)
  • Voltage rating: suitable for 12V & 24V systems (60V max.)
  • Nominal current rating: 39A
  • Maximum loading: 468W@12V,  936W@24V
  • No./size of conductors: 56/0.30mm
  • Conductor cross section: 4.0mm2
  • Maximum overall cable diameter: 3.7mm
  • Resistance per m at 20oC:  0.00485 Ω
  • Conductor material: Tinned copper
  • Insulation material: PVC (hard grade) 
  • Working temperature range: -40oC to +105oC  (with brief excursions up to +120oC )

For help on how to select the best cable for you check out our YouTube Video 

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Average Rating (5 Reviews):  
Write a Review and share your opinions!

Saturday, 2 December 2017  |  Dylan

The cable is excellent. Re- wiring a boat and found the cable is flexible, the plastic is easily removed, and it cuts well. I like that the cable has its specification on the outer sheath.

Monday, 2 October 2017  |  Clive

very pleased ,good product ,quick delivery will use again.

Single Core Tinned Thin Wall Cable 4.0mm 39A
Tuesday, 14 June 2016  |  Anthony

Great product good price fast delivery

Fast efficient service
Sunday, 19 July 2015  |  PJ

Fast efficient service, and the cable is top quality

tinned copper cable
Wednesday, 18 February 2015  |  Roy

I havnt completed the installation yet but cable seems to be a good product.