Cable Splicing And Terminating – Medium Voltage

Source: AVO Training Institute, Inc.

Proper installation of cable splices and terminations drastically improves the lifetime of cables and prevents damage to downstream equipment, and more importantly, nearby personnel.  Inadequate installation and testing of cable joints and terminations is the number one cause of failure (IEEE Std 493-2007 Table 10-33).  Properly trained personnel can alleviate issues and improve safety while dealing with solid dielectric power cables. 

This hands-on course is intended for new or experienced electricians and technicians that install, maintain, repair or troubleshoot 5-35kV solid dielectric power cables. The student should have some field experience and basic knowledge of AC/DC electricity. In addition, students must bring cut resistant, minimum level 4 protective gloves. 

Course duration: 4 days

3.2 CEU

Learning Objectives:

  • Explain medium voltage cable components and construction
  • Identify applications of different cable types including marine, offshore, mining, underground (URD) and tech
  • Prepare cable for splicing utilizing hand tools, abrasives and solvents
  • Install taped, molded and heat shrink splices on tape-shielded and jacketed concentric (JCN) cables
  • Install taped, cold shrink and molded elbow terminations
  • Utilize a DC high potential tester for performing dielectric strength tests on assembled splice
  • Identify the causes of splice and termination failures
  • Explain procedures for buried, duct and tray installation and relevant OSHA safety requirements

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