API Audio Accessories 7-22-10 Specifications download pdf (Page 87)

COMPLETE REVISION

October 2004

Process Industry Practices Page 1 of 14

Process Industry Practices

Electrical

PIP ELSSG01

Design and Fabrication of

Low-Voltage Metal-Enclosed

AC Power Circuit Breaker Switchgear

Table of Contents

1. Introduction..................................2

1.1 Purpose ............................................. 2

1.2 Scope................................................. 2

2. References ...................................2

2.1 Process Industry Practices ................ 2

2.2 Industry Codes and Standards .......... 2

3. Definitions ....................................3

4. Requirements...............................3

4.1 Switchgear Assembly ........................3

4.2 Power Circuit Breakers...................... 5

4.3 Bus Work ........................................... 6

4.4 Voltage Transformers........................ 7

4.5 Control Power Transformers .............7

4.6 Current Transformers ........................ 7

4.7 Switches ............................................ 8

4.8 Metering............................................. 8

4.9 Space Heaters ................................... 8

4.10 Breaker Interlocking and Transfer

Schemes............................................ 9

4.11 Wiring and Terminations.................... 9

4.12 Bus Ducts ........................................ 10

4.13 Nameplates...................................... 10

4.14 Finish ............................................... 10

4.15 Secondary System Grounding......... 11

4.16 Accessories ..................................... 11

4.17 Shipping........................................... 11

4.18 Inspection and Testing..................... 12

4.19 Documentation................................. 12

4.20 Conflict Resolution........................... 14

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API Audio Accessories 7-22-10 Specifications Page 87