SKU: 15259116279

MC4 PV Wire Extension 40 foot Negative - 40-MC4-NEG

$36.90 $41.00
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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27

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Description

MC4 PV Wire Extension 40 foot Negative - 40-MC4-NEGThis 40 foot MC4 PV wire extension comes with a single MC4 female adapter, designed specifically to extend your PV ( ) lead. The black wire is color coded for easy polarity identification, ensuring safe and reliable connections. With a 10 AWG wire size, this PV rated extension is compatible with standard cable grips and connector contact sleeves and meets all essential requirements for efficient and secure performance. Key Features & Benefits 40 Foot

This 40-foot MC4 PV wire extension comes with a single MC4 female adapter, designed specifically to extend your PV (-) lead. The black wire is color-coded for easy polarity identification, ensuring safe and reliable connections. With a 10 AWG wire size, this PV-rated extension is compatible with standard cable grips and connector contact sleeves and meets all essential requirements for efficient and secure performance.

Key Features & Benefits

40-Foot Length: Provides extended reach for PV negative leads in solar panel arrays, ideal for long runs between modules, to combiner boxes, or through conduit.

MC4 Female Adapter: Single MC4 female connector for plug-and-play compatibility with standard PV components.

Black Wire Color: Color-coded black for negative DC polarity identification, simplifying installation and reducing wiring errors.

10 AWG Wire Size: Suitable for PV source circuits and module interconnections.

PV Rated: Designed for photovoltaic system wiring with sunlight-resistant insulation.

Standard Compatibility: Compatible with standard cable grips and connector contact sleeves.

Technical Specifications

Specification Detail
Length 40 feet
Connector Type MC4 female
Wire Gauge 10 AWG
Wire Color Black
Polarity Negative (-)
Application PV negative lead extension

Custom cables available - Call us at 1-800-766-7644 or email [email protected] for a quote.

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: 15259116279

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4.2 ★★★★★
Based on 17 reviews
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Verified Purchase
Stacey Cohick
Birmingham, US
★★★★★ 5
Perfect
Size: X-Large, Color: (601) Bittersweet Pink / Stone / Stone
They were perfect
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 27, 2026
S
Verified Purchase
Susan Brown
Pawtucket, US
★★★★★ 5
Very Comfortable!
Size: Medium, Color: (601) Bittersweet Pink / Stone / Stone
Very comfortable. Don’t slip off back of heal. Love the colors.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
C
Verified Purchase
C. V.
Fort Morgan, US
★★★★★ 5
😊
Size: Medium, Color: (601) Bittersweet Pink / Stone / Stone
These are really nice except I don’t like all the colors of them so I’m getting different ones same company just different colors. I don’t like the thick ones these are perfect.. 🤩
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 24, 2026
K
Verified Purchase
KDK in Texas
Boise, US
★★★★★ 3
Pretty Colors to Encourage Me to Walk!
Size: X-Large, Color: (601) Bittersweet Pink / Stone / Stone
Hum. Extra large does not seem extra large. I have a slender but size 10-10.5 foot. Will keep but was hoping for a looser fit. Bought to match an Under Armour walking outfit.
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Reviewed in the United States on May 16, 2026
P
Patti J Fredley
Boise, US
★★★★★ 5
Socks
Size: X-Large, Color: (601) Bittersweet Pink / Stone / Stone
So cute
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026

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