dây đất
Học thuậtThân thiện
Definition
- Noun:
- Ground wire, earth wire: A wire or cable that provides a safe, conductive path for electrical current to flow into the earth. Its primary function is to prevent electric shock and protect equipment by directing any unwanted or fault current safely into the ground.
- Ground connection, earthing: The state or system of being connected to the earth for electrical safety.
Usage Examples
- Noun:
- Trước khi sửa chữa, hãy đảm bảo dây đất đã được kết nối đúng cách. (Before repairing, ensure the ground wire is properly connected.)
- Thiết bị này không an toàn vì nó thiếu dây đất. (This device is unsafe because it lacks a ground connection.)
- Dây đất của radio bị đứt nên có tiếng ồn. (The radio's ground wire is broken, so there is static noise.)
Advanced Usage
- "tiếp đất" / "nối đất": These are verbs meaning "to ground" or "to earth." They describe the action of connecting something to a ground wire or the earth itself.
- Kỹ thuật viên đang tiếp đất cho tủ điện. (The technician is grounding the electrical cabinet.)
- In technical contexts, especially electronics and radio, "dây đất" is crucial for shielding against interference and ensuring a clear signal reference point.
Variants and Related Words
- Dây tiếp đất: A synonym, literally "earthing wire."
- Dây mát: A common, informal term used in everyday Vietnamese, especially in household electrical contexts, to refer to the ground wire. (Note: In formal electrical engineering, "dây trung tính" is the neutral wire, which is different from the ground wire, but in casual speech, "dây mát" is often used for the ground).
- Cọc tiếp đất: Ground rod; the metal rod driven into the earth to which the ground wire is attached.
Synonyms
- Earth wire (UK English)
- Grounding wire
- Earthing conductor
Related Phrases / Technical Terms
- Hệ thống nối đất: Earthing system / Grounding system.
- Điện trở nối đất: Earth resistance / Ground resistance.
- Sự cố rò điện xuống đất: Earth fault / Ground fault.
- (radio) Ground