18 Awg Thhn

Wire Diameter and AWG Measurement:

The main difference between 18 AWG THHN Wire and 14mm2 THHN Wire to AWG lies in their wire diameter. The 18 AWG wire has a smaller diameter compared to the 14mm2 wire. The AWG measurement system assigns a specific number to each wire gauge, where a lower number represents a larger diameter. This means that the 18 AWG wire is thinner than the 14mm2 wire.

Conductor Size and Cross-Sectional Area:

Another significant difference is the conductor size and cross-sectional area of the wires. The 14mm2 THHN Wire has a larger cross-sectional area compared to the  Wire. The 14mm2 wire is designed to handle higher current loads due to its larger conductor size, making it suitable for applications that require more electrical power.

Current-Carrying Capacity:

Due to the difference in conductor size, the 14mm2 THHN Wire has a higher current-carrying capacity compared to the 18 AWG THHN Wire. The larger cross-sectional area of the 14mm2 wire allows it to accommodate more electrical current while maintaining safe operation. This makes it suitable for applications that require higher power transmission.

Applications and Usage:

The choice between these two wires depends on the specific application requirements. The Wire is commonly used for smaller-scale applications, such as low-power residential wiring, lighting fixtures, and electronic devices. It is suitable for situations where lower current loads are expected. In contrast, the 14mm2 THHN Wire is more suitable for larger-scale applications, including commercial and industrial installations that demand higher power transmission and require the handling of larger current loads.

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