knob-and-tube wiring

简明释义

暗藏明线

英英释义

例句

1.If you find knob-and-tube wiring in your home, it's important to consult a licensed electrician.

如果你在家中发现了瓷钮和管道电线，重要的是咨询一位持证电工。

2.When renovating the old building, we discovered that all the electrical systems were based on knob-and-tube wiring.

在翻新这座老建筑时，我们发现所有的电气系统都是基于瓷钮和管道电线。

3.Insurance companies often require that knob-and-tube wiring be replaced before providing coverage.

保险公司通常要求在提供保险之前更换瓷钮和管道电线。

4.The presence of knob-and-tube wiring can significantly lower a property's value.

存在瓷钮和管道电线会显著降低房产的价值。

5.The home inspector noted that the house still had knob-and-tube wiring, which is considered outdated and potentially hazardous.

房屋检查员指出，这座房子仍然使用着瓷钮和管道电线，这被认为是过时且可能有危险的。

作文

Knob-and-tube wiring is an electrical wiring method that was commonly used in North America from the late 1800s until the 1940s. This system consists of insulated copper conductors that are run through a series of ceramic knobs and tubes, which serve to support and protect the wires. The design of knob-and-tube wiring allows for air circulation around the wires, which helps to prevent overheating. However, as technology advanced and electrical demands increased, this method became outdated and is now often viewed as unsafe. One of the main advantages of knob-and-tube wiring was its simplicity and ease of installation. Electricians were able to install this system quickly, as it did not require extensive knowledge of modern wiring techniques. Additionally, because the wires were supported by ceramic materials, there was less risk of damage from physical impacts. However, these benefits came with significant drawbacks. The most pressing concern with knob-and-tube wiring is its inability to handle the electrical load of modern appliances. Today's homes often require much more power than was necessary in the early 20th century. As a result, many homeowners who still have knob-and-tube wiring may find themselves at risk of electrical fires or other hazards. Furthermore, the insulation on the wires can degrade over time, leading to exposed conductors that pose additional risks. Another issue with knob-and-tube wiring is that it does not have a ground wire, which is essential for modern electrical safety standards. Ground wires provide a path for excess electricity to safely dissipate, reducing the risk of shock or fire. Without this critical component, homes with knob-and-tube wiring are often deemed unsafe by current building codes. For homeowners living in older properties, it is crucial to assess the condition of their electrical systems. If knob-and-tube wiring is present, it is highly recommended to consult with a licensed electrician. They can evaluate whether the wiring needs to be replaced or upgraded to meet modern safety standards. In many cases, replacing knob-and-tube wiring with a more contemporary system can significantly improve the safety and efficiency of a home’s electrical system. In conclusion, while knob-and-tube wiring played a significant role in the development of electrical systems in the early 20th century, it is important to recognize its limitations. Homeowners should be aware of the potential hazards associated with this outdated wiring method and take proactive steps to ensure their homes are safe. By understanding the implications of knob-and-tube wiring, individuals can make informed decisions about their electrical systems and prioritize safety in their living spaces.

电缆和管道布线是一种电气布线方法，曾在19世纪末到20世纪40年代在北美广泛使用。该系统由绝缘铜导体组成，这些导体通过一系列陶瓷旋钮和管道进行连接，以支撑和保护电线。电缆和管道布线的设计允许空气在电线周围循环，有助于防止过热。然而，随着技术的进步和电力需求的增加，这种方法逐渐过时，现在通常被视为不安全。电缆和管道布线的主要优点之一是其简单性和安装便利性。电工能够快速安装此系统，因为它不需要对现代布线技术的深入了解。此外，由于电线由陶瓷材料支撑，因此物理冲击造成的损坏风险较小。然而，这些好处伴随着显著的缺点。电缆和管道布线最紧迫的问题是其无法处理现代电器的电负荷。如今的家庭通常需要比20世纪早期所需的电力多得多。因此，许多仍然拥有电缆和管道布线的房主可能会发现自己面临电气火灾或其他危险的风险。此外，电线的绝缘材料可能会随着时间的推移而降解，导致裸露的导体，从而带来额外的风险。另一个与电缆和管道布线相关的问题是，它没有接地线，而接地线对于现代电气安全标准至关重要。接地线为多余电流提供了一条安全散发的路径，从而降低了触电或火灾的风险。在没有这个关键组件的情况下，拥有电缆和管道布线的房屋通常被认为是不安全的，违反了当前的建筑规范。对于居住在老旧物业的房主来说，评估电气系统的状况至关重要。如果存在电缆和管道布线，强烈建议咨询持牌电工。他们可以评估布线是否需要更换或升级以符合现代安全标准。在许多情况下，将电缆和管道布线替换为更现代的系统可以显著提高家庭电气系统的安全性和效率。总之，虽然电缆和管道布线在20世纪初电气系统的发展中发挥了重要作用，但认识到其局限性也很重要。房主应意识到与这种过时布线方法相关的潜在危险，并采取积极措施确保他们的家居安全。通过了解电缆和管道布线的影响，个人可以就其电气系统做出明智的决定，并在居住空间中优先考虑安全。