10. Hold the white wire end of the fluorescent light fixture together with the white wire end of the electrical cable and twist them together. Screw an electrical wire nut onto the twisted ends of the white wires and fully cover the exposed metal of the wires with the wire nut.0. Hold the white wire end of the fluorescent light fixture together with the white wire end of the electrical cable and twist them together. Screw an electrical wire nut onto the twisted ends of the white wires and fully cover the exposed metal of the wires with the wire nut.
milligram - one thousandth (1/1,000) gram. mg. metric weight unit, weight unit - a decimal unit of weight based on the gram. mcg, microgram - one millionth (1/1,000,000) gram. metric grain, grain - a weight unit used for pearls or diamonds: 50 mg or 1/4 carat.
1 milligram/liter [mg/L] = 1.000000002 part/million [ppm]. A milligram per liter (g/L) is a unit of measurement of mass concentration that shows how many milligrams of a certain substance are present in one litre of a liquid or gaseous mixture.