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PD CLC/TR 50404:2003

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Electrostatics. Code of practice for the avoidance of hazards due to static electricity
Available format(s)

Hardcopy , PDF

Superseded date

31-05-2015

Language(s)

English

Published date

09-07-2003

1 Scope
2 Definitions
3 General
   3.1 Standard approaches
   3.2 Alternative approaches
4 Static electricity in non-conductive solid materials
   4.1 General considerations
   4.2 Dissipative solid materials
   4.3 The use of conductive or dissipative materials in place of
       non-conductive ones
   4.4 Precautions required when using non-conductive solid materials
   4.5 Conveyor belts and transmission belts
5 Static electricity in liquids
   5.1 General considerations
   5.2 Ignition hazard
   5.3 Precautions against ignition hazard during liquid handling
       operations
   5.4 Tanks and Containers
   5.5 Pipes and hoses for liquids
   5.6 Special filling procedures
   5.7 Plant processes (blending, stirring, mixing and crystallisation)
   5.8 Spraying liquids and tank cleaning
   5.9 Glass systems
6 Static electricity in gases
   6.1 General
   6.2 Grit blasting
   6.3 Fire extinguishers
   6.4 Inerting
   6.5 Steam cleaning
   6.6 Accidental leakage of compressed gas
   6.7 Spraying of flammable paints and powders
   6.8 Extraction systems
   6.9 Vacuum cleaners, fixed and mobile
7 Static electricity in powders
   7.1 General
   7.2 Powders in the absence of flammable gases and vapours
   7.3 Powders in the presence of flammable gases or vapours
8 Static electricity when handling explosives and electro-explosive
   devices
   8.1 Explosives manufacture, handling and storage
   8.2 Handling of electro-explosive devices
9 Static electricity on persons
   9.1 General considerations
   9.2 Conducting floor
   9.3 Dissipative and conductive footwear
   9.4 Clothing
   9.5 Protective gloves
   9.6 Other items
10 Electric shock
   10.1 Introduction
   10.2 Discharges relevant to electric shock
   10.3 Sources of electric shock
   10.4 Precautions to avoid electric shocks
   10.5 Precautions in special cases
11 Earthing and bonding
   11.1 General
   11.2 Criteria for the dissipation of static electricity from a
        conductor
   11.3 Earthing requirements in practical systems
   11.4 The establishment and monitoring of earthing systems
Annexes
Annex A (informative) Fundamentals of static electricity
Annex B (informative) Electrostatic discharges in specific situations
Annex C (informative) Ignitability properties of substances
Annex D (informative) Classification of hazardous areas
Bibliography
Figures
Tables

Describes the code of practice for avoiding ignition and electric shock hazards arising from static electricity. The processes that most commonly give rise to problems of static electricity are described in detail.

Committee
EXL/31
DevelopmentNote
Supersedes BS PD R044-001(1999) and 03/300200 DC. Supersedes BS 5958-1(1991). Also available as part of KIT 89. (08/2003) Supersedes BS 5958-2(1991). (07/2014)
DocumentType
Standard
Pages
84
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
CLC/TR 50404:2003 Identical

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EN 50018 : 2000 AMD 1 2002 ELECTRICAL APPARATUS FOR POTENTIALLY EXPLOSIVE ATMOSPHERES - FLAMEPROOF ENCLOSURE "D"
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PREN 1149-3 : DRAFT 2001 PROTECTIVE CLOTHING - ELECTROSTATIC PROPERTIES - PART 3: TEST METHODS FOR MEASUREMENT OF CHARGE DECAY
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