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ECO-WORTHY 12AWG 1 Pair Solar MC4 Y Parallel Branch Connectors MFF&FMM Pair
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12AWG 1 Pair Solar MC4 Y Parallel Branch Connectors MFF&FMM Pair

$22.14

In stock at eco-worthy.com

ECO-WORTHY's 12AWG Solar MC4 Y Parallel Branch Connectors are a matched MFF and FMM pair for wiring solar panels in parallel. Rated for 30A and tested at 6,000V, they use MC4-compatible ends for weather-resistant outdoor connections, making it easier to expand a residential, off-grid or RV array.

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Highlights

  • MFF and FMM pair
  • 12AWG, 30A rated
  • 6,000V test voltage
  • MC4-compatible
  • Weather-resistant

Best for

Solar DIYers adding panels in parallel.

Things to consider

  • Parallel wiring raises current; size downstream wiring and fusing accordingly.
  • Lead length isn't stated.
  • Only two panels per pair.

Key specs

Price$22.14
Gauge12AWG
Rated current30A
Test voltage6,000V
Includes1 MFF + 1 FMM connector

Our take

A simple, well-rated part for parallel solar wiring.

12AWG 1 Pair Solar MC4 Y Parallel Branch Connectors MFF&FMM… at a glance

BrandECO-WORTHY
Price$22.14
Typewirings
AvailabilityIn stock at eco-worthy.com
ReturnsDamaged, wrong, or non-working items must be reported within 14 days, and ECO-WORTHY…

Price check

At $22.14, the 12AWG 1 Pair Solar MC4 Y Parallel Branch Connectors MFF&FMM… is one of ECO-WORTHY's more affordable items, whose 51 listed products run $15.99 to $21,000.

Buying from ECO-WORTHY

ECO-WORTHY is a strong pick for DIY solar builders and RV owners who want LiFePO4 batteries and complete kits at prices well below the premium brands. Skip it if you want an installer-backed, plug-and-play system with local service. Before buying, read the return terms closely: change-of-mind returns are on you to ship back, and the refund page describes them as a partial refund.

Shipping
Orders process in 1 to 3 business days, then ship in 3 to 5 business days from the US or Canada warehouse (3 to 7 from EU, UK, AU), tracked. Large panel kits ship by freight in 5 to 14 business days.
Returns
Damaged, wrong, or non-working items must be reported within 14 days, and ECO-WORTHY covers return shipping. Other returns are accepted within 30 days in new condition with original packaging, with return shipping paid by the buyer.
Warranty
The FAQ states a 10-year warranty on batteries covering non-human-induced failure. Modified products void the warranty.

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Frequently asked questions

Do MC4 Y connectors wire panels in series or parallel?
Parallel.
How many panels can one pair join?
One Y pair combines two strings; check your system design for more.
How much is the 12AWG 1 Pair Solar MC4 Y Parallel Branch Connectors MFF&FMM…?
ECO-WORTHY lists it at $22.14 on eco-worthy.com. We refresh prices throughout the day, but always confirm the final price at checkout.
What is ECO-WORTHY's return policy?
Damaged, wrong, or non-working items must be reported within 14 days, and ECO-WORTHY covers return shipping. Other returns are accepted within 30 days in new condition with original packaging, with return shipping paid by the buyer.
How long does ECO-WORTHY take to ship?
Orders process in 1 to 3 business days, then ship in 3 to 5 business days from the US or Canada warehouse (3 to 7 from EU, UK, AU), tracked. Large panel kits ship by freight in 5 to 14 business days.
Does the 12AWG 1 Pair Solar MC4 Y Parallel Branch Connectors MFF&FMM… come with a warranty?
ECO-WORTHY's published warranty terms: The FAQ states a 10-year warranty on batteries covering non-human-induced failure. Modified products void the warranty.
Where can I buy the 12AWG 1 Pair Solar MC4 Y Parallel Branch Connectors MFF&FMM…?
The 12AWG 1 Pair Solar MC4 Y Parallel Branch Connectors MFF&FMM… is sold directly by ECO-WORTHY on eco-worthy.com. The Shop now button on this page goes straight to the product there.
Is the 12AWG 1 Pair Solar MC4 Y Parallel Branch Connectors MFF&FMM… in stock?
Yes. ECO-WORTHY lists it as in stock on eco-worthy.com as of our latest check. Stock and prices refresh throughout the day.
Is ECO-WORTHY a legit store?
ECO-WORTHY is a strong pick for DIY solar builders and RV owners who want LiFePO4 batteries and complete kits at prices well below the premium brands. Skip it if you want an installer-backed, plug-and-play system with local service. Before buying, read the return terms closely: change-of-mind returns are on you to ship back, and the refund page describes them as a partial refund. Our full ECO-WORTHY review covers shipping, returns and what to check before ordering.
Is the 12AWG 1 Pair Solar MC4 Y Parallel Branch Connectors MFF&FMM… expensive?
At $22.14 it is on the affordable end of ECO-WORTHY's range ($15.99 to $21,000 across 51 products).

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