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The Cable Matters 3-Outlet Grounded Cube Wall Tap expands the capacity of an existing outlet, especially in tight spaces. 90-degree rotated outlets on the wall tap accommodate three cables without blocking. This AC adapter provides a unique solution for connecting an upright nightlight into AC receptacles that are mounted horizontally.
Important Notes
What devices can I plug into the 3-Outlet Grounded Cube Wall Tap?
You can plug in any device with a standard North American 3-prong grounded or 2-prong polarized plug, such as lamps, chargers, and small appliances, as long as you do not exceed the outlet's electrical rating.
Can I use two of these adapters side by side on a standard wall outlet?
No, due to their size, two adapters cannot fit side by side on a standard duplex outlet. For this use case, consider a slimmer plug adapter.
Is this wall tap safe for outdoor or wet locations?
No, this product is rated for indoor use only in dry locations.
Will the adapter block adjacent outlets?
The 90-degree rotated design prevents blocking of adjacent outlets, but two adapters cannot be used side by side on the same outlet.
Does this wall tap work with sideways or horizontally mounted outlets?
Yes, it is designed to work with both upright and sideways AC receptacles, making it ideal for tight or unusual spaces.



The Cable Matters 3-Outlet Grounded Cube Wall Tap expands the capacity of an existing outlet, especially in tight spaces. 90-degree rotated outlets on the wall tap accommodate three cables without blocking. This AC adapter provides a unique solution for connecting an upright nightlight into AC receptacles that are mounted horizontally.
Important Notes
What devices can I plug into the 3-Outlet Grounded Cube Wall Tap?
You can plug in any device with a standard North American 3-prong grounded or 2-prong polarized plug, such as lamps, chargers, and small appliances, as long as you do not exceed the outlet's electrical rating.
Can I use two of these adapters side by side on a standard wall outlet?
No, due to their size, two adapters cannot fit side by side on a standard duplex outlet. For this use case, consider a slimmer plug adapter.
Is this wall tap safe for outdoor or wet locations?
No, this product is rated for indoor use only in dry locations.
Will the adapter block adjacent outlets?
The 90-degree rotated design prevents blocking of adjacent outlets, but two adapters cannot be used side by side on the same outlet.
Does this wall tap work with sideways or horizontally mounted outlets?
Yes, it is designed to work with both upright and sideways AC receptacles, making it ideal for tight or unusual spaces.
![]() 3 Outlet Wall Adapter | ![]() 3 Way Plug Adapter | ![]() 5 Way Plug Adapter | ![]() Spaced 3 Outlet Adapter | ![]() Grounded Outlet Splitter | ![]() Single Outlet 490J | ![]() Single Outlet Switch |
|---|---|---|---|---|---|---|
| Customer Reviews | ||||||
| — | — | — | — | — | — | — |
| Price | ||||||
| — | — | — | — | — | — | — |
| Outlets | ||||||
| 3 | 3 | 5 | 3 | 6 | 1 | 1 |
| Electrical Rating | ||||||
| 15A, 125V, 1875W | 15A, 125V, 1875W | 15A, 125V, 1875W | 15A, 125V, 1875W | 15A, 125V, 1875W | 15A, 125V, 1875W | 15A, 125V, 1875W |
| Quantity | ||||||
| 3-Pack | 3-Pack | 1-Pack | 2-Pack | 2-Pack | 3-Pack | 3-Pack |
| Colors | ||||||
| Black, White, Gray | Multi-Color, Black, Green | Orange | White | White | White | Black, White, Gray |
| Model Number | ||||||
| 400011 | 400117 | 400133 | 400018 | 400014 | 402042 | 400077 |