Standard No.:	EJ/T 574-2006
English Name:	Design and Qualification of Class 1E Control Boards (Panels) and Racks Used in Nuclear Power Plants
Chinese Name:	核电厂安全级控制仪表盘(屏)和机架设计与鉴定
Professional Classification:	EJ    Professional Standard - Nuclear Industry
Issued by:	Commission of Science, Technology and Industry for National Defense
Issued on:	2006-12-15
Implemented on:	2007-5-1
Status:	superseded
Superseded by:	NB/T 20394-2016
Superseded on:	2016-7-1
Language:	English
File Format:	PDF
Word Count:	5000 words
Price(USD):	100.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the basic requirements for the design of Class 1E control boards (panels) and racks used in nuclear power plants and the inspection methods to meet these basic design requirements. This standard is applicable to the design and qualification of Class 1E control boards (panels) and racks used in nuclear power plants and it may be used as reference by other nuclear reactors. This standard is not applicable to the design and qualification of individual components and modules installed on Class 1E control boards (panels) and racks and external field-run cable, except as they may affect the design and qualification of Class 1E control boards (panels) and racks. 2 Normative References The following documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated reference, subsequent amendments to (excluding any corrigendum), or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For any undated references, the latest edition of the document referred to applies. GB/T 2408 Plastics - Determination of burning characteristics - Horizontal and vertical test GB/T 5204 Periodic Tests and Monitoring of the Safety System of Nuclear Power Plant GB/T 12727 Nuclear Power Plants - Electrical Equipment of the Safety System - Qualification GB/T 13286-2001 Criteria for Independence of Class IE Equipment and Circuits in Nuclear Power Plants GB/T 13625-1992 Seismic Qualification of Electrical Equipment of the Safety System for Nuclear Power Plants EJ/T 705 Type Test of Class 1E Electric Cables and Field Splices for Nuclear Power Plants EJ/T 797 Practice for Application of Human Factors Engineering to Systems, Equipment and Facilities of Nuclear Power Plant HAF 003 Quality Assurance for Safety in Nuclear Power Plants 3 Terminologies and Definitions

Foreword i 1 Scope 2 Normative References 3 Terminologies and Definitions 4 Design 4.1 Human Factors Engineering 4.2 Seismic 4.3 Independence 4.4 Control of Combustibles 4.5 Environment 4.6 Cable/Conductor Selection 4.7 Wiring Practices 4.8 Electromagnetic Interference 4.9 Identification Method 4.10 Other Considerations 5 Qualification Testing and Analysis 5.1 Environmental 5.2 Seismic Qualification 5.3 Effect of Modification on Qualification 6 Documentation 6.1 General 6.2 Detail Documentation Requirements