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Older LCD TVs used cold cathode fluorescent lamps (CCFLs) to provide back lighting, whereas LED TV's used an array of smaller, more efficient light emitting diodes (LEDs) to illuminate the screen, which gave them a few advantages. Now, all LCD TVs use LED lights, and are colloquially considered LED TVs.

Flat screen LCD and plasma screens work in a completely different way.  In a plasma screen, each pixel is a tiny fluorescent lamp switched on or off electronically. In an LCD television, the pixels are switched on or off electronically using liquid crystals to rotate polarized light.

8 Genius Ways to Hide Every Wire in Your Home:Hook cords to the back of your furniture.Put wires through a tv stand.Hide tv wires in plain sight.Run tv wires behind the wall.Tuck cord chaos into tubing.Slip them into a drawer.Snake them through baseboard accessories.Stash wires&n

Using an extension cord with a surge protector is a fire hazard at worst, and at best runs the risk of damaging or degrading the cords of either component. Don't use a high-current surge protector with a low-current cord, and if one component uses a 14-gauge wire, the other should as well.

Replacement cord ends are not illegal for home use in the USA. They are, however, disallowed by some jobsite governing organizations (OSHA, for example) in certain situations. Just make sure you're familiar with the fundamentals of electricity and know how to make good electrical and mechanical connections.

Its safer to avoid running extension cords under rugs or furniture. Never tape extension cords to floors or attach them to surfaces with staples or nails. Don't bend or coil cords when they're in use.