This is nigh-on impossible with sleeved pins, but my guess would be that there is a combination of factos which caused the shock - maybe wet hands + no rcd + poor earthing perhaps?
Well, I'm in support of your revolt against the mods in view of what they've done to plugwash... I know that his advice hasn't always been agreeable to all, but I thought that the spirit of a forum was free argument. If they edited one of my posts as they have done his I would be very annoyed.
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local