地线对保证系统稳定工作,保护设备及工作人员的人身安全起着至关重要的作用。因广播电视设备用电的多样性和特殊性,接地要求也有所不同。 在实际工作中,很多电器在接电源时只接了“相线”和“零线”,而未接“地线”。这样虽不影响机器的使用,但却很容易造成操作、维修人员触电和机器损坏。操作者和维修人员穿的化 Ground to ensure the stability of the system to protect the personal safety of equipment and staff play a vital role. Due to the diversity and particularity of radio and television equipment, the grounding requirements are also different. In actual work, many electrical appliances only receive “phase line” and “zero line” when they are connected to the power supply, but not connected to “ground line”. Although this does not affect the use of the machine, but it is easy to cause the operation, maintenance personnel electric shock and machine damage. Operator and maintenance personnel wear of