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UL 2989 Ed. 2-2022
Outline of Investigation for Tracer Wire - Published Date: April 10, 2020
1.1 These wires are rated 30 or 600 V, 75 °C (167 °F), 18 – 8 AWG, solid or stranded copper or copper-clad steel. 1.2 This outline covers the construction and performance requirements for underground tracer wire intended for locating water or gas piping or fiber optic lines.
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