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| GB 16895.8-2010 | English | 159 |
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[GB/T 16895.8-2010] Low-voltage electrical installations -- Part 7-706: Requirements for special installations or locations -- Conducting locations with restricted movement
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GB 16895.8-2010
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| GB 16895.8-2000 | English | 239 |
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Electrical installations of buildings. Part 7: Requirements for special installations or locations. Section 706 -- Restrictive conducting locations
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GB 16895.8-2000
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PDF similar to GB 16895.8-2010
Basic data | Standard ID | GB 16895.8-2010 (GB16895.8-2010) | | Description (Translated English) | [GB/T 16895.8-2010] Low-voltage electrical installations -- Part 7-706: Requirements for special installations or locations -- Conducting locations with restricted movement | | Sector / Industry | National Standard | | Classification of Chinese Standard | Q77 | | Classification of International Standard | 91.140.50 | | Word Count Estimation | 6,671 | | Date of Issue | 2010-11-10 | | Date of Implementation | 2011-09-01 | | Older Standard (superseded by this standard) | GB 16895.8-2000 | | Adopted Standard | IEC 60364-7-706-2005, IDT | | Regulation (derived from) | Announcement of Newly Approved National Standards 2010 No. 8 (No. 163 overall) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This Chinese standard applies to human activity is restricted sites conducting locations of fixed equipment, and is suitable for use in such places powered portable devices. |
GB 16895.8-2010: [GB/T 16895.8-2010] Low-voltage electrical installations -- Part 7-706: Requirements for special installations or locations -- Conducting locations with restricted movement
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Low-voltage electrical installations.Part 7-706. Requirements for special installations or locations.Conducting locations with restricted movement
ICS 91.140.50
Q77
National Standards of People's Republic of China
Replacing GB 16895.8-2000
Low-voltage electrical installations
Requirements for special installations or locations. Section 7-706
Activities Restricted conducting locations
Part 7-706. Requirementsforspecialinstalationsorlocations-
(IEC 60364-7-706.2005, IDT)
Issued on.2010-11-10 2011-09-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
All technical content GB (GB/T ) 16895 This section is mandatory.
GB (GB/T ) 16895 "Buildings (low voltage) electrical installations" series of national standard is divided into five parts, each part is divided into a plurality of sub
section.
--- Part 1. Fundamental principles, assessment of general characteristics and definitions;
--- Part 4. Safety;
--- Part 5. Selection and erection of electrical equipment;
--- Part 6. Inspection;
--- Part 7. requirements for special installations or locations.
This part of GB (GB/T ) of Section 716 895. Requirements for special installations or locations in the Section 706.
This section based on GB/T 1.1-2009 "Standardization Guide Part 1. Standard structure and drafting" and GB/T 20000.2-2009
"Standardization Guide Part 2. the use of international standards," the drafting of the rules.
This Part replaces GB 16895.8-2000 "Electrical installations of buildings Part 7. Requirements for special installations or locations - Section 706.
Restrictive conducting properties. " Compared with GB 16895.8-2000, the main technical changes are as follows.
--- For all portable devices, but not limited to measuring equipment, electrical and separated only SELV are permissible [see
706.410.3.1.6 of a)].
--- Allow the use of PELV power to the fixture, and, if the use RCD provides additional protection for fixed power supply device,
Ⅱ type of equipment allows the use of insulated or equivalent device [see 706.410.3.1.6 of c)].
This section identical with IEC 60364-7-706.2005 (2nd edition) "on low-voltage electrical installations Part 7-706. special installations or locations
The requirement of restricted activity conducting locations "(in English). This part of IEC 60364-7-703. compared to 2004 (2nd edition), reg
Exactly the same number, the same technical content, but made the following editorial changes.
--- Use the decimal symbol instead of decimal symbol ",". ",";
--- Deletion of the IEC standard "foreword";
--- Other countries have national application of the standard injection has nothing to do with our country in this section, shall be adopted in deleted.
This part of the National Standardization Technical Committee of electrical building equipment (SAC/TC205) and focal points.
This section is responsible for drafting unit. electrical machines in Design and Research Institute.
The main drafters of this part. He Xiangkun, Wangzeng Yao, Huang Baosheng.
This part of the standard replaces the previous editions are.
--- GB 16895.8-2000.
Introduction
GB (GB/T ) of this section 16895 requires that supplement, modify or replace the GB (GB/T ) 16895 General requirements for the rest of the
Some of the content.
This section follows the clause numbering GB (GB/T ) 16895 mode and make the appropriate references. Connected to the dedicated number after Section 706
Surface is GB (GB/T ) 16895 or the terms of the corresponding portion of the number.
Of this chapter or section does not cite, meaning GB (GB/T ) 16895 corresponding general requirements still apply.
Low-voltage electrical installations
Requirements for special installations or locations. Section 7-706
Activities Restricted conducting locations
706.1 Scope
GB (GB/T ) the special requirements of this section 16895 applies to fixed human activity is restricted to locations in conducting locations
Equipment, and supply suitable for use in place of such a portable device.
Activities Restricted conducting locations, mainly in part by a metal or other conductive material surrounded constituted, in this place in person
Probably through some of its large area of the body with a metal or other conductive material may be enclosed in contact, and to prevent the possibility of such contact is
tiny.
The special requirements of this section do not apply to places humans can work freely and unfettered access.
Note. The installation and use on arc welding equipment, see IEC 62081TS.
Applications 706.410.3 electric shock protection measures
Add the following requirements.
706.410.3.1.6 activities restricted conductive properties, the following precautions apply to the following electrical equipment power supply circuit.
a) to the hand-held power tools and portable devices.
--- SELV (411.1); or
--- Isolation transformer secondary winding is connected only one device electrically separated (413.5).
Note. There may be several isolation transformer secondary winding.
b) to hand-held lamp power.
--- SELV (411.1).
NOTE. Allow up transformer fluorescent fixtures within the electrical system partition SELV winding power transformer.
c) to supply fixed equipment.
--- Having a supplementary equipotential bonding (413.1.6) Auto power off (413.1), the potential of these links should be fixed equipment
The exposed conductive parts and external conductive part of the property is connected; or
--- SELV (411.1); or
--- PELV (411.1), then all exposed conductive parts and all outside activities in restricted conductive sites
Sector should be carried out between the conductive part equipotential bonding and grounding system should PELV; or
--- Isolation transformer secondary winding is connected only electrically isolated from one device (413.5); or
--- Use Ⅱ type of equipment or with its equivalent insulated equipment (413.2), the power supply circuit provided with a rated residual operating power
Flow does not exceed the residual current protective devices 30mA as additional protection (412.5).
NOTE. Allow up transformer fluorescent fixtures within the electrical system partition SELV winding power transformer.
Contact between 706.411 and direct contact with both indirect protection
Add the following requirements.
706.411.1.2 SELV and PELV power
706.411.1.2.6 SELV and PELV power supply should be set outside the restricted activities of conducting locations, unless they are
Part of 706.410.3.1.6 c), recognized activities restricted conducting locations inside the fixed equipment.
706.411.1.4 ungrounded circuit (SELV) requirements
706.411.1.4.3 under 411.1.4.3 should provide basic protection (protection against direct contact), marked with the SELV circuit
Said voltages.
706.411.1.5 ground loop (PELV) requirements
706.411.1.5.2 under 411.1.5.1 should provide basic protection (protection against direct contact), marked with the PELV circuit
Said voltages.
Protection 706.412 pairs of direct contact
Add the following requirements.
706.412.3 barrier
Do not allow the use of barrier protection (412.3).
706.412.4 outriggers disposed outside the scope of protection
Not allowed to use outriggers disposed outside the scope of protection (412.4).
Protection 706.413 pairs indirect contact
Add the following requirements.
Using only 706.410.3.1.6 provided to power the device allows the circuit and its protection measures.
706.413.1.2.3 equipotential bonding and functional ground
If some devices, such as measuring and control instruments, the need for functional ground, all the activities restricted conducting locations inside
The exposed conductive parts, between conductive parts outside the functional earth, equipotential bonding should be carried out.
706.413.5 electrically separated
706.413.5.1.1 embodiment according to 413.5.1.1 separated power protection should be provided outside the activities restricted conductive sites,
Unless the power supply is part of the fixtures in restricted activity may be conducting workplace.
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