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What Guage are The JC-LGL Construction String Light Cords?

The JC-LGL LED construction string lights feature the "18/2 SJTW" standard for their wire specifications.

 

 What is "18/2 SJTW"?

What Guage are The JC-LGL Construction String Light Cords?

The specification "18/2 SJTW" on a wire indicates various characteristics about its performance and appropriate usage areas. Here's a breakdown of what each part of this specification means:

  1. 18: This number represents the wire gauge size according to the American Wire Gauge (AWG) system, which indicates the diameter of the conductors in the wire. The smaller the number, the larger the diameter, and thus, the higher the current-carrying capacity. An 18 gauge wire is typically used for lighter loads such as small appliances and some low-current applications.

  2. 2: This number indicates the number of conductors inside the wire. In this case, "2" means that there are two conductors, typically one hot (live) wire and one neutral wire, excluding any ground wire.

  3. SJTW:

    • S: Stands for "Service Grade," meaning the wire has a durable outer jacket suited for general service applications.
    • J: Indicates that the insulation is of a "Junior" grade, which usually means it is rated for a lower voltage than standard grade wires (which do not have the "J").
    • T: Represents "Thermoplastic," which refers to the type of material used for the insulation. Thermoplastics soften when heated and harden when cooled, providing flexibility to the wire.
    • W: Denotes "Weather Resistant," implying that the wire is suitable for outdoor use and can withstand various weather conditions.

In summary, a wire labeled "18/2 SJTW" is a two-conductor wire, using thermoplastic material for its jacket, suitable for both indoor and outdoor use, weather-resistant, and designed for lower voltage applications. This type of wire is commonly used for light-duty tools, household appliances, and outdoor electrical devices.

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