When your plug socket isn’t in use, plastic barriers slide into place, which block the electrical current from getting to any small fingers that are poking around near the holes. But “when a ...

Ben Patterson/IDG The Innr Smart Plug won’t block an AC outlet that’s beneath it, but it might partially block the grounding socket of an outlet that’s above. In my case, I inserted the Innr ...

The smart plug is just chunky enough that when I plugged it into a power strip beneath my desk to control a lamp, it used one outlet and blocked another. The smart socket suffers from a similar ...

Block adaptors aren't unsafe but the weight of the plugs and the leads can start to pull the adaptor out of the wall socket leading to resistance heating and increasing the risk of a fire,' he said.