Generally speaking, hotel lamps are customized engineering lamps, because our home Saintly
Lightinglamps cannot be used as hotel lamps, so the lamps we have seen in the hotel are relatively rich crystal lamps, etc. The engineering lamps are customized. , How should we inspect the goods during the later inspection? General experimental method for custom engineering lighting. According to the regional specifications customized for engineering lamps, the corresponding voltage and leakage current should be adjusted first. Then connect the wire of one end of the withstand voltage machine to the positive pole of the lamp outlet , and then turn on the conductance gun connected to the other end of the pressure machine and hit the outer metal part of the lamp for 1 second. , If there is no sound from the withstand voltage machine, the power cord of this pole of the lamp has been tested; otherwise, it will leak or break down. Use the same method to test the negative power cord of the lamp, pay attention to personal safety. Next, the engineering lamps can be customized by rotating the bulb on the lamp head, connecting it to the power cord, and starting the switch test. Connect one end of the withstand voltage machine to one pole of the power cord, and the other end to touch the corresponding pole of the custom lamp cap of the engineering lamp. Generally, the metal in the center of the custom lamp cap of the engineering lamp is the positive electrode and the metal on the side is the negative electrode. . It can also be tested with a universal meter, the method is the same, if the pointer swings, it will pass, otherwise it will be disconnected. Engineering lamps are customized to distinguish the polarity, the black of a single power cord is the positive pole, and the white is the negative pole. The custom-made two-core power cord for engineering lamps has one word as the positive pole and one without the word as the negative pole. The small end of the polarized plug is positive and the big end is negative. The metal in the center of the custom lamp holder for engineering lamps is the positive electrode, and the metal on the side is the negative electrode. Touch the negative end of the power cord or the negative electrode of the plug with the negative end of the universal meter for custom engineering lamps, and touch the negative end of the lamp holder on the positive end of the universal meter.
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