1 - AS/NZS 3008.1.1:1998 ELECTRICAL INSTALLATIONS-SELECTION OF CABLES - CABLES FOR ALTERNATING VOLTAGES UP TO AND INCLUDING .....
4 - PREFACE
5 - CONTENTS
10 - FOREWORD
11 - SECTION 1 SCOPE AND GENERAL
11 - 1.1 SCOPE AND APPLICATION
11 - 1.1.1 Scope
11 - 1.1.2 Application
11 - 1.2 ALTERNATIVE SPECIFICATIONS
12 - 1.3 REFERENCED AND RELATED DOCUMENTS
12 - 1.3.1 Referenced documents
12 - 1.3.2 Related documents
13 - 1.4 DEFINITIONS
13 - 1.4.1 Ambient temperature
13 - 1.4.2 Continuous loading
13 - 1.4.3 Ladder support
13 - 1.4.4 Perforated tray
13 - 1.4.5 Route length
14 - SECTION 2 CABLE SELECTION PROCEDURE
14 - 2.1 GENERAL
14 - 2.2 SELECTION PROCESS
14 - 2.3 DETERMINATION OF MINIMUM CABLE SIZE BASED ON CURRENT-CARRYING CAPACITY CONSIDERATIONS
15 - 2.4 DETERMINATION OF MINIMUM CABLE SIZE BASED ON VOLTAGE DROP CONSIDERATIONS
16 - 2.5 DETERMINATION OF MINIMUM CABLE SIZE BASED ON THE SHORT-CIRCUIT TEMPERATURE CONSIDERATIONS
17 - SECTION 3 CURRENT-CARRYING CAPACITY
17 - 3.1 RATINGS
17 - 3.1.1 General
17 - 3.1.2 Basis
17 - 3.2 TYPES OF CONDUCTORS
17 - 3.2.1 Conductor material
17 - 3.2.2 Insulation material operating temperatures
18 - 3.3 TYPES OF CABLE
18 - 3.3.1 Sheathed and unsheathed thermoplastic, elastomer and XLPE cables
18 - 3.3.2 Flexible cords and cables
19 - 3.3.3 Mineral-insulated metal-sheathed (MIMS) cables
19 - 3.3.4 Aerial cables
19 - 3.3.5 Neutral-screened cables
20 - 3.3.6 High temperature elastomer, polymeric or fibrous cables and flexible cords
20 - 3.3.7 Other cable types
20 - 3.4 INSTALLATION CONDITIONS
20 - 3.4.1 General
20 - 3.4.2 Cables installed in air
21 - 3.4.3 Cables installed in thermal insulation
22 - 3.4.4 Cables buried direct in the ground
22 - 3.4.5 Cables installed in underground wiring enclosures
23 - 3.4.6 Variation of installation conditions along cable run
23 - 3.5 EXTERNAL INFLUENCES ON CABLES
23 - 3.5.1 Application of rating factors
23 - 3.5.2 Effect of grouping of cables
25 - 3.5.3 Effect of ambient temperature
26 - 3.5.4 Effect of depth of laying
26 - 3.5.5 Effect of thermal resistivity of soil
26 - 3.5.6 Effect of varying loads
26 - 3.5.7 Effect of thermal insulation
27 - 3.5.8 Effect of direct sunlight
67 - SECTION 4 VOLTAGE DROP
67 - 4.1 GENERAL
67 - 4.2 DETERMINATION OF VOLTAGE DROP FROM MILLIVOLTS PER AMPERE METRE
68 - 4.3 DETERMINATION OF VOLTAGE DROP FROM CIRCUIT IMPEDANCE
68 - 4.3.1 General
68 - 4.3.2 Single-phase, two-wire supply system
69 - 4.3.3 Three-phase, three-wire or four-wire supply system
69 - 4.3.4 Two-phase, three-wire, earthed neutral 120-degree supply system
69 - 4.3.5 Single-phase, three-wire, earthed centre-tapped 180-degree supply system
69 - 4.4 DETERMINATION OF VOLTAGE DROP FROM CABLE OPERATING TEMPERATURE
70 - 4.5 DETERMINATION OF VOLTAGE DROP FROM LOAD POWER FACTOR
72 - 4.6 DETERMINATION OF VOLTAGE DROP IN UNBALANCED MULTIPHASE CIRCUITS
92 - SECTION 5 SHORT-CIRCUIT PERFORMANCE
92 - 5.1 GENERAL
92 - 5.2 FACTORS GOVERNING THE APPLICATION OF THE TEMPERATURE LIMITS
93 - 5.3 CALCULATION OF PERMISSIBLE SHORT-CIRCUIT CURRENTS
93 - 5.4 INFLUENCE OF METHOD OF INSTALLATION
94 - 5.5 MAXIMUM PERMISSIBLE SHORT-CIRCUIT TEMPERATURES
94 - 5.5.1 General
94 - 5.5.2 Insulating materials
94 - 5.5.3 Outer sheath and bedding materials
95 - 5.5.4 Conductor and metallic sheath materials and components
96 - APPENDIX A - EXAMPLES ON THE SELECTION OF CABLES TO SATISFY CURRENT-CARRYING CAPACITY, VOLTAGE DROP AND SHORT-CIRCUIT....
96 - A1 EXAMPLE 1
96 - A1.1 Problem
96 - A1.2 Solution
97 - A1.3 Comparison of different methods
98 - A2 EXAMPLE 2
98 - A2.1 Problem
98 - A2.2 Solution
98 - A3 EXAMPLE 3
98 - A3.1 Problem
98 - A3.2 Solution
99 - A4 EXAMPLE 4
99 - A4.1 Problem
99 - A4.2 Solution
100 - A5 EXAMPLE 5
100 - A5.1 Problem
100 - A5.2 Solution
101 - A6 EXAMPLE 6
101 - A6.1 Problem
101 - A6.2 Solution
102 - A7 EXAMPLE 7
102 - A7.1 Problem
102 - A7.2 Solution
103 - A8 EXAMPLE 8
103 - A8.1 Problem
103 - A8.2 Solution
105 - APPENDIX B - RECOMMENDED CIRCUIT CONFIGURATIONS FOR THE INSTALLATION OF SINGLE-CORE CABLES IN PARALLEL