Standard No.:	JB/T 4159-1999
English Name:	General technical requirements for electric products in the tropics
Chinese Name:	热带电工产品通用技术要求
Professional Classification:	JB    Professional Standard - Machinery
Source Content Issued by:	State Bureau of Machine Building Industry
Issued on:	1999-8-6
Implemented on:	2000-1-1
Status:	superseded
Superseded by:	JB/T 4159-2013 General technical requirements of electric products for tropical environment
Superseded on:	2014-7-1
Target Language:	English
File Format:	PDF
Word Count:	4000 words
Translation Price(USD):	100.0
Delivery:	via email in 1 business day

1 Scope This standard is applicable to the electric products for general use in the tropics (wet tropics, sub-humid tropics, dry tropics). The technical requirements of various standards for electric products in the tropics shall comply with the requirements of this standard. For those not specified in this standard, various standards for electric products in the tropics shall be applicable. 2 Normative References The following standards contain provisions which, through reference in this text, constitute provisions of this standard. At time of publication, the editions indicated were valid. All standards are subject to revision, and all parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. GB/T 1766-1995 Paints and Varnishes — Rating Schemes of Degradation of Coats GB/T 2423.1-1989 Basic Environmental Testing Procedures for Electric and Electronic Products — Tests A: Cold (eqv IEC 60068-2-1:1990) GB/T 2423.2-1989 Basic Environmental Testing Procedures for Electric and Electronic Products — Tests B: Dry Heat (eqv IEC 60068-2-2:1974) GB/T 2423.3-1993 Basic Environmental Testing Procedures for Electric and Electronic Products — Test Ca: Damp Heat, Steady State (eqv IEC 60068-2-3:1985) GB/T 2423.4-1993 Basic Environmental Testing Procedures for Electric and Electronic Products — Test Db: Damp Heat, Cyclic (eqv IEC 60068-2-30:1985) GB/T 2423.16-1990 Basic Environmental Testing Procedures for Electric and Electronic Products — Test J: Mould Growth (eqv IEC 60068-2-10:1988) GB/T 2423.17-1993 Basic Environmental Testing Procedures for Electric and Electronic Products — Test Ka: Salt Mist (eqv IEC 60068-2-11:1981) GB/T 2423.22-1987 Basic Environmental Testing Procedures for Electric and Electronic Products — Test N: Change of Temperature (eqv IEC 60068-2-14:1984) GB/T 2423.24-1995 Environmental Testing for Electric and Electronic Products — Part 2: Test Methods — Test Sa: Simulated Solar Radiation at Ground Level (eqv IEC 60068-2-5:1975) GB/T 4208-1993 Degrees of Protection Provided by Enclosure (IP code) JB/T 4160-1999 Natural Environmental Conditions Appearing in the Tropics for Electric Products 3 Type of Climate Protection and Environmental Conditions 3.1 The type of climate protection for electric products in the tropics refers to the type of products designed and manufactured with corresponding protective measures for electric products used in tropical climates, and to ensure the reliability of the product used in the typical environment when the electrical product is used in a tropical climate.

Foreword I 1 Scope 2 Normative References 3 Type of Climate Protection and Environmental Conditions 4 Environmental Technical Requirements for Electric Products in the Tropics 5 Test and Acceptance Requirements 6 Marking and Packaging Annex A (Normative) Structure, Design, Material Selection and Process Protection Requirements of Electric Products in the Tropics