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Table of Contents
1
General Information
1
1.1 Introduction
1
1.2 Safety Guidelines
2
1.3 Electrical Codes
2
1.4 Heating Cable Configurations
2
1.5 Heating Cable Identification
4
2
Pre-Repair Information 5
2.1 General
5
2.2 Safety Precautions
5
2.3 Changes to the Heating Cable Length
6
2.4 Tools and Materials Required
7
2.5 Repair Kit Components
8
2.6 Cross-section of Completed Joints and End Cap 12
3
Heating Cable Repair 13
3.1 General
13
3.2 Selecting the Correct Size of Joint
14
3.3 Inline Joint Procedure
15
3.4 End Termination Procedure
44
4
Appendix A:
Field Modification Approval Request Form
64
5
Appendix B:
Heating Cable Testing 66
5.1 Testing:
66
5.2 Insulation Resistance (Megohmmeter)
Test – Test 1
66
5.3 Continuity (Resistance) Test – Test 2
67
6
Appendix C:
Cable Size vs Drill Bit Selection Chart 69
7
Appendix D:
Drying Out Procedure 70
8
Appendix E:
Flame Size for Oxy-acetylene Torch 72
9
Appendix F :
Stripping the Cable Sheath 73
10
Appendix G:
Typical Repair Jig 76