UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Another unusual plug and some other questions

matthewhouse · 5th Mar 2012, 8:08 pm

I did wonder why the earth pin was hollow. I guess it ensures that non interlocked plugs can't be used, a safety feature!

5th Mar 2012, 8:08 pm	#99
matthewhouse Octode Join Date: Jul 2006 Location: Willand, Devon, UK. Posts: 1,023	Re: Another unusual plug and some other questions I did wonder why the earth pin was hollow. I guess it ensures that non interlocked plugs can't be used, a safety feature!