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.
Match the size of your recessed lighting fixtures to how close together they can be installed. The common rule is that 4-inch fixtures should generally be placed at least 4 feet apart and 6-inch fixtures about 6 feet apart. Center recessed lighting fixtures in front of the objects you wish to light - a painting, bookshelf, or drapery panels, for example - and about 12 to 18 inches in front of that object.