Dan Cronin, Duty Manager, Electric and Caolan McNeill mix cocktails for guests attending the historical food & drink presentation by Dr Tom Spalding at Ohm. Pic: Larry Cummins. 120th Celebration of the 1902 Cork International Exhibition at Ohm, Electric, South Mall, Cork. Bartenders at Ohm Cocktail bar at Electric have recreated cocktails from the original 1902 menu that the Waldorf Astoria bartenders made on their visit to Cork one hundred and twenty years ago.