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[ETL Listed] Cable Matters 3-Pack 3 Outlet Wall Adapter (Grounded Cube Tap… competes with other Accessories products on SpecPicks. Use our Compare tool to view specs side-by-side, or browse the full Accessories category for alternatives.

Cable Matters

[ETL Listed] Cable Matters 3-Pack 3 Outlet Wall Adapter (Grounded Cube Tap, Outlet Splitter, 3 Way Plug Adapter, 3-Prong Power Splitter), Black

Name: [ETL Listed] Cable Matters 3-Pack 3 Outlet Wall Adapter (Grounded Cube Tap, Outlet Splitter, 3 Way Plug Adapter, 3-Prong Power Splitter), Black
Brand: Cable Matters
SKU: B09S822YXN
Price: 9.99 USD
Availability: InStock
Rating: 4.6 (6587 reviews)

By SpecPicks Editorial · Verified 2026-06-06

$9.99 ★★★★½4.6(6,587 reviews)

Buy on Amazon — $9.99 Compare to similar accessories

*Price sourced from Amazon.com. Last updated 2026-06-06. Price and availability subject to change.

Bottom line: The [ETL Listed] Cable Matters 3-Pack 3 Outlet Wall Adapter (Grounded Cube Tap, Outlet Splitter, 3 Way Plug Adapter, 3-Prong Power Splitter), Black is a category leader on buyer feedback in the accessories category, priced around $9.99, rated 4.6★ across 6,587 verified Amazon reviews. A confident buy for most shoppers in this category.

SpecPicks Verdict

SpecPicks classifies [ETL Listed] Cable Matters 3-Pack 3 Outlet Wall Adapter (Grounded… as a category leader on buyer feedback in the accessories category, based on 6,587 verified Amazon reviews and our ranking model that weights rating × review-volume × price-fit. Cable Matters's positioning sits comfortably above the category median. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.

Common buyer scenarios for accessories of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.

Pros & Cons

Pros

✓ Highly rated — 4.6★ average across customer reviews
✓ Large, well-vetted feedback pool (6,587 reviews)
✓ Backed by Cable Matters's warranty and support channels
✓ Ships via Amazon with Prime eligibility and the standard returns policy

Cons

✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified

Key Features

Sturdy 3 Wall Outlet Extender: This multi plug wall outlet adapter converts a single grounded outlet into 3 additional AC electrical outlets, offering a space-saving solution without the bulk of a traditional power strip.
90 Degree Outlet Adapter: The innovative 90-degree design allows large wall warts and adapters to fit without blocking adjacent outlets, making this electrical outlet extender perfect for tight spaces. Note: It won’t block the other outlet, but two of these adapters cannot fit side by side on the same wall outlet.
Cost-Effective 3-Pack: This set of three power outlet extenders provides extra wall plugs, making it convenient for travel or keeping in your laptop bag, ensuring reliable access to power wherever you go.
Space-Saving Design: The compact 3 outlet cube tap (also known as plug splitter or power outlet splitter) is ideal for use behind furniture or in tight spaces, adding additional outlets in hotel rooms, conference rooms, or areas with limited AC receptacles.
Versatile Compatibility: Works with 3-prong grounded cords and 2-prong polarized electrical cords, this multi plug outlet solution is perfect for sideways AC receptacles and offers a convenient way to expand power access.

Full Specifications

Brand	Cable Matters
Color	Black
Plug Type	Type B
Unit Count	9 Count
Model Number	400011-BLKx3
Power Source	AC adapter
Input Voltage	125 Volts
Output Voltage	125 Volts (AC)
Mfr Part Number	400011-BLKx3
Number of Outlets	3

Ready to buy?

[ETL Listed] Cable Matters 3-Pack 3 Outlet Wall Adapter (Grounded Cube Tap, Outlet Splitter, 3 Way Plug Adapter, 3-Prong Power Splitter), Black is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Check price on Amazon →

*Price sourced from Amazon.com. Last updated 2026-06-06. Price and availability subject to change.