1. Pay attention to safety during power on operation to prevent electric shock. 2. The operator shall make a record of inspection and commissioning according to the regulations, and submit it to spec ...
How to distribute the distribution box reasonably? 1. When the distribution box is installed on the wall, it should be fixed with split bolt (expansion bolt). The bolt length is generally the sum of ...
The design of indoor distribution box connection diagram should be clear. Do not confuse the zero line with the live line. If the two lines are wrong, there will be no power supply. As for how to dist ...
The stainless steel fire hydrant box is a kind of fire-fighting facilities with the characteristics of compact structure, flexible use, small occupation and easy operation. Although it is a fire hydra ...
Installation inspection of stainless steel meter box wire a. The current carrying capacity of conductor section shall comply with the standard; b. When connecting the main circuit components with in ...
Installation and inspection of stainless steel meter box a. The layout of all electrical components shall be reasonable and meet the specified requirements; b. The compartments of incoming, outgoing ...
Appearance inspection of stainless steel meter box a. The name plate of the product shall be beautiful and tidy, the steel words shall be clear and correct, and the data shall be consistent with the ...
Power on operation test of electric meter box a. Before the test, it is necessary to carefully check the internal wiring of the meter box to meet the electrical schematic diagram, confirm that all wi ...
Precautions for operation of electric meter box 1. Pay attention to safety during power on operation to prevent electric shock. 2. The operator shall make a record of inspection and commissioning ac ...
Experimental requirements of stainless steel meter box A. Flame retardant function: it has V-2 grade flame retardant function, temperature resistance ≥ 130 ℃. B. The insulation resistance of the met ...
Precautions for wiring of stainless steel IP65 waterproof distribution box 1. Horizontal and vertical, but no 90 ° bending is allowed; 2. The outgoing line shall not cross with the incoming line, an ...
Matters needing attention of stainless steel meter box 1. The meter box shall be provided with rain proof measures. 2. The insulated copper wire of each meter wiring shall not be less than 4mm2, and ...
(1) The PV combiner box is the eighth product of the power distribution center and the normal operation of the equipment. No irrelevant personnel is allowed to pull the switch on the board. (2) After ...
Security measures for construction of PV combiner box Each regional project department should attach importance to safety, improve safety laws and regulations at all levels, implement measures, comma ...
1. Before installing the combiner box, we should carefully check whether the number of the combiner box is consistent with the installation position. We can't install the wrong combiner box at the beg ...
Open package inspection of PV combiner box (1) Check the number of pieces of equipment according to the design drawings and equipment list. Check the specification and model of equipment body, access ...
1. DN65 indoor fire hydrant should be used, and fire hose or portable faucet should be set in the same box. 2. The fire hose with 65 nominal diameter and inner lining should be provided. The water is ...
1. Combiner box shall have name, purpose, shunt mark and system wiring diagram. 2. The door of Combiner box shall be equipped with lock and shall be in charge of by special personnel. 3. The combine ...
1. Combiner box is divided into shell and plastic shell, there are two types of open type and concealed type, the box is intact. 2. The wiring busbar in the box shall be set with neutral line, protec ...
In the power transformation and distribution equipment, the bus is the conductor of confluence and current distribution, so the bus is also called bus bar. According to the material, there are three ...
The general distribution box or distribution cabinet should be in accordance with the relevant standards of electrical wiring. In terms of switches (circuit breakers), measuring instruments (voltage a ...
Application safety of distribution box and switch box: 1. It should be installed firmly to facilitate actual operation and maintenance. 2. For the floor mounted distribution box and switch box, the ...
If you want the electrical box to be used in a normal environment, you should make the following adjustments when you choose it: 1. First, the ambient temperature is generally not higher than 40 ℃ or ...
The use of the shell of the electrical box manufacturer has brought us stable power use. Today, let's learn about the function and characteristics of the outer coating. The color of the outer coating ...
