1 - AS/NZS 62086.1:2002 ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES-ELECTRICAL RESISTANCE TRACE HEATING - GENERAL AND...
4 - PREFACE
5 - CONTENTS
6 - INTRODUCTION
7 - 1 Scope
7 - 2 Normative references
8 - 3 Definitions
8 - 3.1 ambient temperature
8 - 3.2 branch circuit
8 - 3.3 connections
8 - 3.3.1 cold lead
8 - 3.3.2 end termination
8 - 3.3.3 power termination
8 - 3.4 tee
8 - 3.5 dead leg
8 - 3.6 design loading
8 - 3.7 factory fabricated
9 - 3.8 field-assembled
9 - 3.9 heat loss
9 - 3.10 heat sink
9 - 3.11 heat-transfer aids
9 - 3.12 heating pad
9 - 3.13 heating panel
9 - 3.14 high-limit temperature
9 - 3.15 maximum ambient temperature
9 - 3.16 maximum withstand temperature
9 - 3.17 metallic covering
9 - 3.18 minimum ambient temperature
9 - 3.19 operating voltage
10 - 3.20 overjacket
10 - 3.21 power density
10 - 3.22 rated output
10 - 3.23 rated voltage
10 - 3.24 routine test
10 - 3.25 series trace heater(s)
10 - 3.26 sheath
10 - 3.27 sheath temperature
10 - 3.28 stabilized design
10 - 3.29 start-up current
10 - 3.30 system documentation
11 - 3.31 temperature controller
11 - 3.32 temperature sensor
11 - 3.33 thermal insulation
11 - 3.34 trace heater
11 - 3.35 trace heater unit
11 - 3.36 trace heating
11 - 3.37 type test
11 - 3.38 weather barrier
11 - 3.39 workpiece
12 - 4 General requirements
12 - 4.1 General
12 - 4.2 Trace heaters
12 - 4.3 Terminations and connections
12 - 4.4 Circuit protection requirements for branch circuits
13 - 4.5 Control and temperature requirements
13 - 4.5.1 General
13 - 4.5.2 Stabilized design for zone 1 and zone 2 applications
13 - 4.5.3 Controlled design
13 - 5 Testing
13 - 5.1 Type tests
13 - 5.1.1 General
14 - 5.1.2 Dielectric test
14 - 5.1.3 Electrical insulation resistance test
14 - 5.1.4 Flammability test
15 - 5.1.5 Impact test
16 - 5.1.6 Deformation test
17 - 5.1.7 Cold bend test
18 - 5.1.8 Moisture resistance test (trace heating cables only)
19 - 5.1.9 Verification of rated output
21 - 5.1.10 Thermal stability of electrical insulating material
21 - 5.1.11 Determination of maximum sheath temperature
23 - 5.1.12 Verification of start-up current
24 - 5.1.13 Verification of the resistance of metallic covering
24 - 5.2 Routine tests
24 - 5.2.1 Dielectric test
24 - 5.2.2 Verification of rated output
24 - 6 Marking
24 - 6.1 General
24 - 6.2 Factory- fabricated trace heater units or sets
24 - 6.3 Bulk heater cables
25 - 6.4 Cable spools, reels or cartons
25 - 6.5 Heater field termination/splice kits
25 - 6.6 Installation marking
26 - Bibliography
27 - AMENDMENT CONTROL SHEET