Summary:The shading project in the home improvement needs our attention, because the water and electricity problems must be worthy of our attention, no matter...
The shading project in the home improvement needs our attention, because the water and electricity problems must be worthy of our attention, no matter which aspect of water and electricity problems, it can make our life troublesome. Now that the standard of living has improved, and the use of electrical appliances in the home has become more and more, so the standard of home decoration wire
should be selected well.
Household power cords use BVV2.5 and BVV1.5 types of wires. Since BVV is the national standard code, it is copper sheathed wire BVV2.5 and BVV1.5, which represent 2.5 square millimeters and 1.5 square millimeters respectively. Under normal circumstances, BVV2.5 is used as the main line and trunk line, and BVV1.5 is used as a single electrical branch line and switch line. BVV4 is used for the one-way air-conditioning line, and a dedicated ground wire is also provided.
In order to prevent fire, repair and safety, the standard wire for home improvement uses "national standard" copper core wire with the Great Wall logo. mm, pay attention to the air-conditioning wire should not be less than 2.5 square millimeters, the negative wire (zero wire/ground wire) at home is still green and yellow two-color wire, and the switch wire (front) is connected to any one of red, white, black, etc. The color and purpose of the top line in the same home improvement project should be consistent.