Master Lock Rotating Large Electrical Plug Lockout, 240 and 550 Volt Plugs

does the job

Excellent. it works ok. It is a functional device. It does not Jam open or closed. I Like it very much.

Okay works,slightly on the small size, pitty.

I eventually received this item two weeks late, and after the wrong item had been received. It does the job, but like other people have said it's not a security device, but more of a warning not to plug in. The rings for the lock are thin plastic and could easily be snapped off

Boutht this to lock off a 32A 3 Phase plug. It will fit but it's definitely an only just. I strongly suspect that these are designed for American plugs. I also bought the small size for 16A 3Phase plugs but they are nowhere near fitting so I ordered more of the large.

Product pictured with lock...its not delivered with one.Other than that it works with a UK 3 pin plug.Made out of plastic so if someone really wanted to use the plug, there isnt much to get through. But for under £10 its expected.