http://www.fanfiction.net/s/5469579/1/Shock_to_the_System

teenchesters All three Winchesters are forced to learn a lesson they won't soon forget. hurt Sam
18,015

http://www.fanfiction.net/s/6591728/1/Its_A_Wonderful_Life

Sam had his soul back, but he was...different. Less Sammy, more Rain Man. But being electrocuted – even if it was only minor – had the potential to be life-changing. Such was the case.
9,182

Yay! Thank you so much! These two were amaaaaazing. I had already read the first one, cuz I'm a HUGE fan of Faye's, but I just had to scramble over and read it again as soon as you recced it. ;D Such a hurty good story. Poor little Sam. :( Lol Anyway, thanks!

Did you check the spn_littlebro delicious account's (https://delicious.com/spn_littlebro) h=electrocution tag (https://delicious.com/spn_littlebro/h%3Delectrocution)? I know we have a lot of recs there (I also personally rec what anon suggested as well)

And here's my own recs:

Don't Let Go (http://www.fanfiction.net/s/4924056/1/Dont_Let_Go) by ChristianGateFan (http://www.fanfiction.net/u/722434/ChristianGateFan)
Summary: When the boys are captured by the first 'friend' Gordon sends after Sam, one with a vendetta of her own, things go horribly wrong. Did Dean come back from the djinn's near-perfect world, for Sam, just to lose him now? Much Limp!Sam and Protective!Dean.

Revenge is a Dish Best Served Cold (http://www.fanfiction.net/s/4915109/1/Revenge_is_a_Dish_Best_Served_Cold) by sammygirl1963 (http://www.fanfiction.net/~sammygirl1963)
Summary: Sam is kidnapped and tortured by a hunter for revenge against John. Will he survive until his family can find him? LimpSam/AngstyDean/AngstyJohn Warning: Language

Oh wow, no I hadn't seen the electrocution tag for spn_littlebro. That's fricken awesome! *bounces* AND I haven't read Revenge is a Dish Best Served Cold either, which I'm heading on over to just now. ;D I have however read Don't Let Go...like 5 times now. LOL That is probably my all time favorite fanfiction right there, it makes me cry every stinkin time. SO glad you recced that! *squishes you*

got another one for you

http://www.fanfiction.net/s/4729299/1/Still_Still_Still_A_Christmas_to_Remember

Bobby invites the boys to spend Christmas at Singer Salvage. Dean is in no mood to celebrate. What happens when Sam is critically injured and the doctor's don't give him much hope? Will the brother's get a Christmas Miracle? Limp/Sam, Angry/Angsty Dean
20,378

Aw, thank you so much. ;D

Story number 12 (http://www.fanfiction.net/s/4604326/12/I_didnt_mean_it)("Shocking") in the "I Didn't Mean It" (http://www.fanfiction.net/s/4604326/1/) series involves Sam getting electrocuted.