Useful accesories for power strips and power outlets
922811
These provide an economical,  convenient way to expand the capacity of 110VAC power outlets.  In particular, they overcome the problem created when powerblocks from electronic devices have a width that prevents the use of an adjacent outlet.
1259337
These are convenient for replacing those little pads that come loose on furniture and electronics. You can cut them to smaller pieces to fit your needs.
1635234
In an office environment these are ideal.  In today's world there are a plethora of USB devices and odd shaped power adapters that this layout should be a new standard for power strips.  I can actually use all of the sockets!
4569355
Handy device for charging USB devices and have adequate AC outlets when traveling and have limited connections at a hotel or airport.
2954895
Replaced power surge protectors that were cluttering the floor and having two USB ports charge my iphone is a useful bonus.
2174962
Serves the purpose when you want to charge or power several items from a receptacle with less than convenient access.  The unit rotates to accomodate easy access.  Plugging into the unit is a bit stiff but once pluged in they are very secure and are not at all loose or sloppy.
181164
These things are awesome for allowing the use of every outlet in a power strip and for managing cables in a neat fashion.  I keep a supply of these around and often am giving away a few at a time to friends that marvel at their usefulness.
899413
Power cord is long enough to reach those hard to access outlets.
4711197
Can use these anywhere.  Never worry about covering two outlets.
1499494
Just what I needed to extend my smart plugs from a power strip. The ones I have take up space over to the next socket, so using these frees up some space. Also great for any wall wart (large power supply) that takes up extra space as well.
875927
These are nifty little outlet switches. I use these on a long power strip with a variety of power tool battery chargers plugged into them. All battery chargers use electricity even if you don't have the battery connected. I will put the drained battery into the related charger and turn on the "Wall Tap Outlet Switch". When the battery has completed the charge, I will remove it from the charger and then turn the switch off. It's a lot neater than leaving all the power cords dangling all over the work bench. You can use these also for cell phone chargers, just leave them plugged in and then use the switch when you need to charge your phone.
1968676
Simple, easy, and it reduces the amount of outlets or power strips I have to use.
966341
I hate having a power strip with several low voltage power supplies plugged into it that each take up the space of multiple outlets, requiring you to add more power strips.  Before you know it, you have wires everywhere.  These eliminate that problem.  You can turn a six outlet power strip into 12, and use every one of them, even with bulky low voltage power supplies plugged into each outlet.
4235026
I can finally can get rid of some of my power strips. I can't use all of the outlets because of the size of some of my plugs.
4640639
Good for pluging in charging transformers to power strips or outlets as the transformers normally block multiple outlets preventing what power strips were meant for.  I believe these short extension cords could be less "expensive".
4160575
Good inexpensive general use power strips - these are for basic household use, plug in phones, lamps, etc. The cord is not that long so I use these in my garage to charge cordless power tools and in my living room to charge cameras, 3D glasses and a lamp.  I use a higher end product such as a battery backup UPS for computers or expensive electronics.
3165764
A stack of these work great as traveling power strip, eliminating the problem of plugging a U.S. power strip with a surge protector into a foreign current and it blowing.