For piezoelectric photo machine, static electricity will also affect the effect of the drawing, and even affect the motherboard. So generally in order to eliminate the impact of static electricity on the photo machine, will be connected to the ground line. Now the general home socket will be equipped with grounding wire, can be directly plugged into the socket to connect the ground line, then in the absence of grounding wire, what should be handled?
If there is no grounding wire, then we need to set the grounding line ourselves. Grounding wire is not as difficult to set as imagined, if conditions allow, that is, can dig pits (non-cement ground), you can use the 60-100CM long steel bar, buried upright in the dug pit, with copper wire tied to the steel bar, copper wire exposed outside. Then the pit poured salt water, fixed a good position, copper wire connected to the photo machine can be. If the conditions do not allow, that is, do not dig pits, then you can use a bucket, put a bag of salt, the ground line to put a angle iron in the inside, connect the copper wire to the downstairs, and finally take a mineral water bottle more salt and add some water to put the ground line. This method is simpler, but not sustainable. Of course, the best way is for professionals to grounding the line in order to be once and for all.
