What is the difference between shielded cable and normal cable?

Shielded cables and ordinary cables are two different types of cables, and there are some differences in their structure and performance. Below, I will detail the difference between shielded cable and normal cable.

Shielded cables have a shielding layer in their structure, while normal cables do not. This shield can be either metal foil or metal braided mesh. It plays a role in shielding external interference signals and protecting the integrity of signal transmission. However, normal cables do not have such a shielding layer, which makes them susceptible to external interference and results in poor reliability of signal transmission.

Shielded cables differ from normal cables in their anti-interference performance. The shielding layer effectively suppresses electromagnetic waves and high-frequency noise, thereby improving anti-interference ability. This makes shielded cables more stable and reliable in signal transmission compared to normal cables, which lack such protection and are vulnerable to surrounding electromagnetic waves and noise, leading to decreased signal transmission quality.

Shielded cables also differ from normal cables in terms of electromagnetic radiation levels. The shielding in shielded cables reduces electromagnetic radiation leakage from internal conductors, resulting in lower levels of electromagnetic radiation compared to normal cables. This is particularly important in sensitive environments such as medical equipment and instrumentation.

There is also a difference in price between shielded cables and normal cables. Shielded cables have a shielded design, which involves higher processing and material costs, making them relatively more expensive. In contrast, normal cables have a simpler structure and lower manufacturing costs, making them relatively cheaper.

In summary, shielded cables and normal cables vary significantly in structure, anti-interference performance, electromagnetic radiation levels, and price. Shielded cables offer superior stability and reliability in signa.