ETP 0177L - Installing Overhead Conductors Lab ETP 0177L - Installing Overhead Conductors Lab 90 con. hrs. Occupational This lab applies knowledge of setting up and operating wire tuggers, tensioners, and wire reel tenders. You will demonstrate techniques for wire pulling; safe guarding of buildings, cross streets, walkways, and the public during pulling operations; planning wire pulling; and identifying potential hazards that may be encountered during wire pulling operations. Course Designations: (CH)