SKU: 60623003768

100m Roll of 8B&S (7.9mm²) Twin Core Automotive Cable

$325.23 $361.37
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Description

100m Roll of 8B&S (7.9mm²) Twin Core Automotive CableKEY 100 Metre Roll of 8B&S (7. 9mm) Twin Core Automotive Cable for Reliable 12V 24V Power Distribution Engineered for Demanding Automotive and Low Voltage Installations This 100 metre roll of KEY 8B&S (7. 9mm) twin core automotive cable delivers consistent, low resistance power for critical 12V and 24V systems. Built with plain annealed copper conductors and V90HT PVC insulation, it is suited to professional installers and enthusiasts wiring caravans,

KEY 100 Metre Roll of 8B&S (7.9mm²) Twin Core Automotive Cable for Reliable 12V/24V Power Distribution

Engineered for Demanding Automotive and Low-Voltage Installations

This 100-metre roll of KEY 8B&S (7.9mm²) twin core automotive cable delivers consistent, low-resistance power for critical 12V and 24V systems. Built with plain annealed copper conductors and V90HT PVC insulation, it is suited to professional installers and enthusiasts wiring caravans, 4WDs, trailers, and marine setups. The twin core configuration simplifies cable runs by combining positive and negative conductors in a single durable sheath, reducing installation time and potential wiring errors.

Rated to 74A at 30°C under JASO D609, this cable handles high-current loads while maintaining voltage stability over long distances. It is commonly selected for 60A continuous-duty circuits such as auxiliary battery charging, inverter connections, and solar regulator wiring. The 100-metre bulk roll provides ample length for large-scale projects or multiple smaller installations, offering a cost-effective solution for workshops and fleet maintenance.

*Note typical de-rating factors apply for bundling and elevated ambient temperatures.

About KEY Tubing & Electrical

KEY Tubing & Electrical (KTE) is an Australian-owned manufacturer with over 60 years of industry experience supplying electrical, cable, tubing, and custom-engineered solutions to industries across Australia and around the world. Based in South Australia, KEY is known for its commitment to quality manufacturing, rigorous quality standards, and reliable products designed for demanding automotive, electrical, industrial, and resource sector applications. KEY continues to support Australian industry with a strong focus on performance, durability, and dependable engineering.

Key Features

  • High-conductivity plain annealed copper minimises voltage drop and resistive heating
  • V90HT insulation rated to 90°C withstands under-bonnet and engine bay temperatures
  • UV-stabilised outer sheath resists degradation from prolonged sun exposure
  • RoHS compliant and manufactured to Australian/NZ standards for safety and reliability
  • 100-metre continuous length reduces joins and waste in extensive wiring runs
  • Red and black core identification simplifies polarity matching during installation

Built for Harsh Australian Conditions

The V90HT PVC insulation is formulated to endure the thermal cycling common in engine compartments, while the UV-stabilised black outer sheath prevents cracking and embrittlement when exposed to direct sunlight. This makes the cable suitable for external runs on camper trailers, roof-mounted solar wiring, and marine deck applications. The oxygen-free copper stranding (96/0.32mm) provides flexibility for routing through tight chassis spaces without compromising current-carrying capacity.

Unlike generic automotive cables that may use copper-clad aluminium or thinner insulation, this product maintains full copper cross-section and consistent wall thickness, reducing the risk of hot spots and insulation breakdown under sustained loads. The 2.4 ohm/km electrical resistance at 20°C ensures efficient power delivery, critical for maintaining battery health in dual-battery systems.

Applications

  • Auxiliary battery charging in 4WDs, caravans, and camper trailers
  • Solar regulator to battery connections for off-grid setups
  • Inverter cabling up to 1000W (12V) or 2000W (24V) with appropriate fusing
  • Trailer and boat wiring for lighting, winches, and electric brakes
  • General low-voltage distribution in sheds, tiny homes, and remote installations

Installation Notes

For optimal performance, select cable size based on total circuit length (positive and negative return) and expected current draw. As a guide, 8B&S (7.9mm²) is suitable for 60A continuous loads over short to moderate distances in 12V systems. Always refer to JASO D609 derating tables when bundling multiple cables or operating in ambient temperatures above 30°C. Professional installation by a qualified auto electrician is recommended for high-current circuits.

Power Your Project with Confidence

Equip your next installation with a cable that prioritises conductivity, durability, and compliance. Order the 100-metre roll of KEY 8B&S twin core automotive cable today and ensure your 12V or 24V system delivers reliable power when you need it most.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 60623003768

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4.2 ★★★★★
Based on 883 reviews
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Product Reviews
S
Verified Purchase
shannda
San Leandro, US
★★★★★ 5
Comfortable Seating
Color: Black, Style: Classic
I honestly didn’t expect this chair to be this comfortable, but it has exceeded my expectations in every way. I sit at my desk for long hours every day, and the adjustable air-pump lumbar support has been a total game changer. I love that I can fine-tune the firmness depending on how my back feels that day. My lower back pain has noticeably improved since switching to this chair.The seat is wide, thick, and very supportive without feeling stiff, which makes long work sessions much more comfortable. The armrests are another big plus—they adjust in so many directions that I can always find the perfect position for typing, reading, or relaxing. The chair feels extremely sturdy and well built, and it gives me confidence knowing it supports higher weight without wobbling.Assembly was straightforward and took about 20 minutes. Overall, this chair feels premium, comfortable, and thoughtfully designed. I would absolutely recommend it to anyone looking for a reliable, all-day office chair.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
C
Verified Purchase
Cynthy
Whiting, US
★★★★★ 5
Nice chair, w/ good cust support
Color: Black, Style: Classic
I apologize for length, but if I am doing a review for other people I assume you want to have as much info as possible to make a decision. I feel this chair is for tall/fat/both so will review it as such. At 6’4” @ 350lbs I fit into both, but reviewing based upon my body, yours is different so adjust according. TLDR – Would buy again, cavernous comfy chair with excellent customer support. Only personal dings against chair are the back could be taller, but added back due to support. Parts + Fit/Finish + Assembly: The parts have some heft and feel solid as expected for a chair designed for heavy people. Material and stitching look proper and I see no flaws. My box was beat to hell and ripped opened at one point. Packing material took the hit and did its job as the items were unaffected. The gas cylinder for the chair was missing and assume lost during shipping. (see customer service). Assembly was standard office chair fare with simple and clear instructions. Wheels / Height / Controls: I normally wouldn’t think of mentioning wheels, but it’s different than expected. They are good, maybe too good. A slight kick to push you back on wood floors sends you flying. The height adjustment for me is good/standard. At full height my feet are flat on the floor and where I would have the chair even if it went higher. My wife (5’6”) at that height is about 2.5 inches above the floor. Taller people than myself may wish for more height. Chair controls are standard fare and operate smoothly Seat: It’s large and with the arms is there is nothing even close to your hip/legs. I can put my fist on my hips and my arms barely touch the chair arms. This is why you are thinking of this chair, and for that you will not be disappointed. The seat is not pillow soft and IMHO a little firmer than I liked at first, but after a few days got broken in or I adjusted. I am a programmer + gamer so spend a lot of time in the chair for hours on end. Comfortable and no complaints at all. Seat depth for me is ~1” from my knee and good with roughly 20.5” usable butt/thigh length. That should be fine for big/tall but may be a bit much for big/short. Measure your current chair and decide from there. Back: The back lets the chair down a bit for me, the big/tall user, as the target seems to be big/short users. The back ends just below my shoulder-line. That obviously means no leaning my head back and the headrest is squarely on my shoulder blades. Not uncomfortable, but I’d prefer a taller back. For me personally I’d like it to be extended 4”, but that would likely be an issue for shorter users. I feel if the manufacturer increased the back by 2 inches it would be an ideal compromise for all users. The chair has an inflatable lumbar support, which I did not use as I personally find those uncomfortable. Also note the chair is designed for a more proper posture with a 90deg back and not a more relaxed 100-110deg. Neither pro/con as personal preference. Arms: The design of the arms being supported by rear only as mentioned earlier allow for an abundance of hip/thigh space. This is an excellent ergonomic design with a potential caveat. More stress will be placed upon the connection/joint. The joint for this chair is just shy of 4” so seems beefy but only time will tell if it holds up to the lateral force of leaning on it while reading. My chairs tend to last 5-7 years, due to the right arm feeling wobbly or the chair leaning to the right. The arm adjustments provide a nice front/back of ~3”, from touching chair back to 3” gap between chair/armrest. The height is similar and also moves the armrest forward about another 2”. At full forward/up the armrest are higher than I like so should easily accommodate taller users. Customer Service My chair was missing a part that I suspect was lost during shipping due to box condition. I contacted them Sun (7/20/2025 @ 1201). At 2228 that night I received a response that they acknowledged the issue and gave a tracking order for the missing part. The part arrived Mon 7/28 and gave a few days to test it out for review Fri (8/1). Obviously you don’t want an issue, but if an issue arises how a company handles it tells you a lot IMHO on how they feel about their product. I am very pleased with their handling of the matter.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 4, 2025
A
Verified Purchase
Amy
Port Orchard, US
★★★★★ 5
Great Chair
Color: Black, Style: Classic
The durability, recline, noise, fit, and appearance, and stability of the chair were all fantastic. As someone of a shorter height, the backrest which is normally way to high or short for my head fits perfectly. The chair itself is easy to assemble and very comfortable to sit in for long hours. I tend do a lot of work at home and this chair feels very comfortable without feeling the need to get up. The chair looks great set up in my office and is honestly a great office chair. For moving around a room, the wheel guides across my carpet very smoothly with struggling unlike my previous chair which would need a heavy push. Not only that, the chair is noiseless which is a plus for people who get bothered by little sounds when moving around. The fit could honestly fit anyone of any size as the chair itself is quite wide and roomy for me. The seat is also made up of faux leather and feels well stitched and quite durable.
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Reviewed in the United States on April 4, 2026
T
Verified Purchase
Texgun
Natrona Heights, US
★★★★★ 4
Decent Price
Color: Black, Style: Classic
Chair arrived and was missing critical component so that I could not assemble it. Contacted seller and they sent me a similar component within 2 weeks. Chair was now easy to assemble and very comfortable to use for long periods. Although I wished it could raise another two inches. Also be aware chair might be challenging to get thru a standard 29-30inch doorway but not impossible. Thank You Seller for your help.
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Reviewed in the United States on October 23, 2025
L
Verified Purchase
Lisa
Omaha, US
★★★★★ 5
Easy installation and comfortable
Color: Black, Style: Classic, Color: Black, Style: Classic
This chair features a premium, quilt-stitched design with thick cushioning that immediately feels supportive. Installation is straightforward — the major components align cleanly, and the hardware fits without forcing, allowing the entire setup to be completed quickly. Once assembled, the chair provides excellent comfort: the padded headrest, wide seat, and soft armrests create a stable, ergonomic sitting experience suitable for long work sessions. The overall build feels solid, and the smooth-rolling casters add to the ease of use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026

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