IEEE 62395-1-2024

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IEEE/IEC International Standard – Electrical Resistance Trace Heating Systems for Industrial and Commercial Applications – Part 1: General and testing requirements (Published)

Published By	Publication Date	Number of Pages
IEEE	2024	68

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PDF Pages	PDF Title
1	FRONT COVER
4	CONTENTS
7	FOREWORD
9	INTRODUCTION
10	1 Scope 2 Normative references
11	3 Terms and definitions
16	4 General requirements 4.1 General
17	4.2 Electrically conductive covering 4.3 Electrical circuit protection requirements for branch circuits 4.4 Temperature requirements 4.4.1 General 4.4.2 Stabilized design 4.4.3 Controlled design
18	4.4.4 Controls and monitoring for fire sprinkler systems and safety showers 5 Testing 5.1 Type tests – General
19	Tables Table 1 – Trace heater and surface heater types and related attributes
20	Table 2 – Applicable tests for trace heaters, surface heaters, and integral components, by trace heater and surface heater type
21	5.2 Type tests – All applications 5.2.1 Dielectric test Table 3 – Test voltages for the dielectric test
22	5.2.2 Electrical insulation resistance test 5.2.3 Flammability test
24	Figures Figure 1 – Flammability test
25	5.2.4 Room temperature impact test
26	Figure 2 – Example of room temperature impact test apparatus
27	5.2.5 Minimum temperature impact test
28	5.2.6 Deformation test Figure 3 – Example of minimum temperature impact test apparatus
29	5.2.7 Cold bend test Figure 4 – Cold bend test
30	5.2.8 Water resistance test 5.2.9 Integral components resistance to water test Figure 5 – Integral components resistance to water test
31	5.2.10 Verification of rated output Table 4 – Applicable test subclauses for the verification of rated output
34	Figure 6 – Verification of rated output
35	5.2.11 Thermal stability of electrical insulating material 5.2.12 Thermal performance test
37	5.2.13 Maximum sheath temperature
39	Figure 7 – Verification of sheath temperatures utilizing pipe sculpture fixture
41	Figure 8 – Verification of sheath temperatures utilizing plate fixture
42	Figure 9 – Verification of sheath temperatures utilizing plate fixture with serpentined sample
43	Figure 10 – Plate fixture with two samples crossed over
44	Figure 11 – Plate fixture with a single sample crossed over
48	5.2.14 Verification of start-up current 5.2.15 Verification of the electrical resistance of the electrically conductive covering Figure 12 – Maximum sheath temperature using the product approach
49	5.2.16 Test for heating device / heating device set glands – General Table 5 – Pulling forces for strain relief test
50	5.2.17 Connection Integrity (integral components) Figure 13 – Gland temperature measurement – location of thermocouples
51	Figure 14 – Typical splice firm attachment apparatus
52	5.3 Type tests – Additional tests for outdoor exposed surface heating installations without thermal insulation 5.3.1 Verification of rated output 5.3.2 Determination of maximum sheath temperature 5.3.3 Increased moisture resistance test
53	5.3.4 UV and condensation test 5.3.5 Resistance to cutting test 5.3.6 Abrasion test
54	5.3.7 Tension test 5.3.8 Rail system voltage spike test Figure 15 – Abrasion test
55	5.3.9 Rail system over-voltage test 5.4 Type tests – Additional tests and test modifications for embedded heating applications 5.4.1 Verification of rated output 5.4.2 Determination of maximum sheath temperature 5.4.3 Resistance to cutting test 5.4.4 Flammability test 5.5 Type tests – Additional tests for applications of trace heaters internal to conduit and piping 5.5.1 Verification of rated output 5.5.2 Determination of maximum sheath temperature
56	5.5.3 Increased moisture resistance test 5.5.4 Pull-strength test
57	5.6 Type tests – Additional requirements for sprinkler systems 5.6.1 Normal and abnormal operation test 5.6.2 Normal operation test with controller
58	Figure 16 – Sprinkler system temperature control test – branch line arrangement
59	Figure 17 – Sprinkler system temperature control test –branch line – alternative arrangement Figure 18 – Sprinkler system temperature control test – supply pipe arrangement
60	5.6.3 Abnormal operation test with controller malfunctioning 5.6.4 Abnormal operation test without controller 5.6.5 Testing for control systems for fire sprinkler systems 5.7 Routine tests 5.7.1 Dielectric test
61	5.7.2 Verification of rated output 6 Marking 6.1 General 6.2 Product markings
62	7 Installation instructions Table 6 – Product marking
64	Annex A (informative) Determination of test samples for type testing Table A.1 – Determination of test samples
66	Bibliography

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Standard Title	IEEE/IEC International Standard – Electrical Resistance Trace Heating Systems for Industrial and Commercial Applications – Part 1: General and testing requirements (Published)
Published Code	IEEE
Publication Date	2024
Pages Count	68

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