Maximum Lengths. According to USB.org, USB operating specifications limit the maximum length of the cable to 5 meters for full speed devices and 3 meters for any low speed devices. 5 meters is around 16 feet 5 inches, and 3 meters is around 9 feet 10 inches.
A National Kidney Foundation answered. Kidney damage from lupus can be mild or severe. It can cause damage to the filtering units (glomeruli) of the kidney. Since these filtering units clear your blood of waste, damage to them can cause your kidneys to work poorly or not at all.
Also called lupus, SLE is an autoimmune disease. With lupus, the body's immune system targets its own body tissues. Lupus nephritis happens when lupus involves the kidneys. Up to 60% of lupus patients will develop lupus nephritis. When the kidneys are inflamed, they can't function normally and can leak protein.