What color paint is painted on the grounding wire in the distribution room

Switchroom. The grounding wire is painted with yellow and green paint. Now in general power companies, the grounding wire (protection zero line) is not painted, but only pasted with PE wire.

Identification (tagging). The following is the specification of the requirements for the distribution room.

Switchroom. The power distribution room should be close to the power supply, and should be located in a place with less dust, less moisture, less vibration, no corrosive medium, no flammable and explosive substances and smooth roads.

Both ends of the distribution cabinet and control cabinet should be electrically connected with the duplicate grounding wire and the protection neutral line.

The distribution room and control room should be naturally ventilated, and measures should be taken to prevent the intrusion of rain and snow and the entry of animals.

The layout of the distribution room shall meet the following requirements:

1. The width of the operation channel on the front of the distribution cabinet shall not be less than that of a single row or a double row back-to-back arrangement, and the face-to-face arrangement of two rows shall not be less than 2m;

2. The width of the maintenance channel behind the distribution cabinet shall not be less than that of a single row or a double row face-to-face arrangement, and the double row back-to-back arrangement shall not be less than.

3. The width of the maintenance channel on the side of the distribution cabinet shall not be less than 1m;

4. The distance between the top grid of the distribution room and the ground shall not be less than 3m;

5. When a duty or maintenance room is set up in the distribution room, the horizontal distance between the edge of the room and the distribution cabinet is greater than 1m, and the barrier is adopted;

6. When the vertical distance between the bare bus bar and the ground in the distribution room is less, the fence is used to isolate, and the height of the channel under the fence is not less.

7. The net distance between the upper end of the fence of the distribution room and the live part directly above it is not less than;

8. The distance between the upper end of the power distribution device and the shed is not less than;

9. The bus in the distribution room is painted with colored paint, and the order is marked in phase; Based on the direction of the front of the cabinet, its coloring conforms to the provisions of the table;

10 Fire resistance rating of buildings and structures in the distribution room.

Not less than Class 3, indoor with sand box and fire extinguisher that can be used to extinguish electrical fires.

Coloring of the watch busbar.

11. The door of the distribution room is opened outwards and locked;

12. The lighting of the distribution room is set up with normal lighting and accident lighting respectively.

The distribution cabinet should be equipped with an energy meter.

And should be installed current, voltmeter. Ammeter.

A set of current transformers shall not be shared with the billing watt-hour meter.

The power distribution cabinet should be equipped with power isolation switches and short-circuit, overload, and leakage protection appliances. There should be a clearly visible disconnection point when the power disconnector is broken.

The distribution cabinet should be numbered and marked for use.

When the distribution cabinet or distribution line is repaired, the ground wire should be hung, and the "no closing, manned work" power outage sign should be hung. Power outages must be carried out by a dedicated person.

The power distribution room should be kept clean and tidy, and no sundries that hinder operation and maintenance should be piled up.

Paint 15mm-100mm yellow and green two-tone paint.

Mark it, I also want to know the answer, I just recently did something similar.

Paint black.

Flat iron brushes asphalt between grounding bodies.

Grounding trunks are painted with black paint.

The surface of the ground wire is coated with stripes of green paint and yellow paint of equal width of 15 100 mm.

There are no requirements for the direction of painting.

transformers in the distribution of electricity.

The first and secondary sides are equipped with lightning arresters, and the grounding wires of the lightning arresters, the transformer shell, and the neutral points on the secondary side are grounded respectively. Adhere to the annual preventive test of Hedu, replace unqualified arresters in time, and reduce the damage to transformers caused by overvoltage caused by lightning strikes and resonance. Actively promote the use of S9 series new lightning protection and energy-saving transformers.

Before and after each adjustment of the no-load tap-changer, the DC resistance value should be measured twice, and a record should be made to compare whether the three-phase DC resistance is balanced, compare the changes before and after the adjustment of the three-phase DC resistance, and compare the difference between the three-phase DC resistance and the historical value.

The ground wire is usually greenish-yellow. This is so that people can easily identify what it does and where it is. A grounding wire is a protective measure used in electrical safety to ground electrical equipment and the metal structure of a building, thus protecting people from the danger of electric shock.

The grounding wire is usually connected to the metal casing of the electrical equipment and then connected to the ground by a wire scatter.

In addition to greenish-yellow, the grounding wire may also be red or black. In some countries and regions, there may not even be a specific color regulation. However, it serves the same purpose regardless of the color of the ground wire.

By grounding electrical equipment and the metal structure of the building, it is possible to prevent people from being exposed to electric shocks due to touching electrical appliances.

In addition to the color, there are different standards and specifications for grounding wires. For example, grounding wires need to meet specific size and material requirements to ensure that they can withstand current loads and maintain good connectivity. In addition, it is also necessary to ensure that the grounding wire is well insulated from the electrical equipment and the rest of the building.

In short, the grounding wire is one of the important protective measures for electrical safety, and it is usually identified with green and yellow calls. Regardless of the color of the grounding wire, it needs to comply with specific standards and specifications to ensure that it can function safely and reliably. <>

Summary. What color is the ground wire.

Because the ground wire must use yellow and green lines is not a mandatory standard, but it is required that all wire stoves in the early road, all phase wires and ground wires are the same color, and the actual worker master in the wiring wiring and wiring with the defense belt, there may be a situation where the wiring is not standardized, so if you encounter the actual wiring or maintenance of the situation, you must ask a professional electrician to make a judgment first.

Generally speaking, the ground wire is a wire connected to the earth, which can effectively reduce the death of human electrocution. 1. If it is in an electronic device, the ground wire is a kind of wire connected to the shell, which is also to avoid electric shock accidents. 2. With the existence of the ground wire, when a large current flows out, they will flow directly to the earth, so that the current flowing to the human body is very small, ensuring the life safety of the human body and preventing unnecessary damage to the human body.

3. Now all circuits have leakage protectors, the leakage protector trips to indicate that the ground wire is installed and is effective, and the leakage protector does not trip means that there is no ground wire. 4. All dust outlets in home decoration must be equipped with ground wires and can work effectively.

The main colors of the grounding wire are green, yellow, and blue.

The ground wire is a yellow and green two-color wire, and the ground wire is a wire that is connected to the ground, the shell or the reference potential is zero in the electrical system or electronic equipment. Generally, the electrical appliances are buried in a false manner, and the ground wire is connected to the shell to prevent electric shock accidents caused by the internal insulation damage to the shell. The symbol for the ground wire is e(earthwire); It can be divided into two types: power supply ground wire and circuit ground wire.

According to the current standard in China, when the third circuit in GB2681 is marked according to the color of the wire, it should generally be the phase wire - phase A yellow, phase B green, and phase C red. Zero line - light blue, the ground wire is yellow and green, such as Qi Jiaoguo is a three-hole socket, the left is the zero line, the middle (above) of the poor boy is the ground wire, and the right is the fire wire. Additional Information:

Ground wire is short for grounding device. Ground wire is further divided into working grounding and safety grounding. In order to prevent people from electric shock accidents when using electronic equipment such as home appliances and offices, the protective grounding is a kind of safety grounding protection wire.