Type THW-twisted unjacketed submersible pump cable from Service Wire Co. features solid or stranded copper conductors individually insulated with a type THW polyvinyl chloride (PVC) compound. The product is intended for use within the well casing to supply power to the submersible pump. It is rated at 75 degrees C, the conductors are oil- and grease-resistant, and it meets UL Standard 83. Service Wire Co, Card No. 206