Raychem nvent MI Series, Manual

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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 3
2
Pre-Repair Information 4
2.1 General 4
2.2 Safety Precautions 4
2.3 Changes to the Heating Cable Length 5
2.4 Tools and Materials Required 6
2.5 Repair Kit Components 7
2.6 Cross-section of Completed Joints and End Cap 9
3
Heating Cable Repair 11
3.1 General 11
3.2 Selecting the Correct Size of Joint and/or End Cap 12
3.3 Joining Design B, D, and E Cables
14
3.4 End Cap Procedure 34
4
Appendix A:
Field Modification Approval Request Form 46
5
Appendix B:
Heating Cable Testing 48
5.1 Testing 48
5.2 Insulation Resistance (Megohmmeter) Test – Test 1 48
5.3 Continuity (Resistance) Test – Test 2
49
6
Appendix C:
Cable Size vs Drill Bit Selection Chart 51
7
Appendix D:
Drying Out Procedure 52