In the case of severe acute aortic insufficiency, all individuals should undergo surgery, if there are no absolute contraindications (for surgery). Individuals with bacteremia with aortic valve endocarditis should not wait for treatment with antibiotics to take effect, given the high mortality associated with the acute AI.
Where the ground rod is located far from the main electrical panel, thicker No. 3 wire may be required. In areas where codes require two ground rods because of high electrical resistance in the soil, the rods must be spaced at least 6 feet apart and interconnected by a buried jumper wire.
On extremely flat land,line posts are generally spaced from 10 to 16 feetapart if the fence is not electrified, to as much as150 feet apart for an electrified fence. Battens orspacers are installed in all dips or at a maximumof 30 feet apart for five strands and 50 feet for twoto three strands.