View the table of contents for this issue, or go to the journal homepage for more 2008 j. The international electrotechnical commission has published a new technical specification called iec 60079321. Bs59582 code of practice for control of undesirable. Iec guidance 6007932 avoidance of hazards newson gale. In 1995, peter tolson and his group started writing cenelec r044001. Cenelec clctr 50404 electrostatics code of practice for the avoidance of hazards due to static electricity inactive, most current. Nprclctr 50404 en electrostatics code of practice for the avoidance of hazards due to static electricity ics. Recommended practice on static electricity or cenelec clctr 50404 electrostatics code of practice for the avoidance of hazards due to static electricity. Crossreferences the british standards which implement international or european publications referred to in this document may be found in the bsi catalogue under the section entitled international standards correspondence index, or by. Ignition risks from static electricity problems solved. Bs pd clctr 60079321, explosive atomspheres part 321. This document is available in either paper or pdf format. Safely dissipating static electricity plastic containers.
All bsi british standards available online in electronic and print formats. A liquid is typically considered a nonconductive, static accumulator if its conductivity is below 100 psm 100x10e. An overview of iec ts 60079321 electrostatics guidance. Storage the type of container used to store the material may affect static accumulation and dissipation. Storage the container choice, for example storage vessel, may effect static accumulation and dissipation. Abstract to avoid ignition and electric shock hazards arising from static electricity.
Cenelec clctr 50404 electrostatics code of practice for the. Electricity or cenelec clctr 50404 electrostatics code of practice for the avoidance of hazards due to static electricity. Layers, international electrotechnical commission, brussels, 1996. Clc tr 50404 june 1, 2003 electrostatics code of practice for the avoidance of hazards due to static electricity a description is not available for this item. Electrostatic hazards, guidance, 20, corrigendum, 2015.
A liquid is typically considered a nonconductive, static accumulator if its conductivity is below 100 psm 100x10e12 siemens per. Elektrostatik vejledning om forebyggelse af risici som. If plastic portable containers are to be used in hazardous areas it important to ensure the containers are capable of safely dissipating static electricity when they are earthed. Because of its large impact on dielectric constant, the recommended velocity for hydrocarbon fluids containing water should be limited to 1 ms.
In order to remove the risk of incendive electrostatic ignitions, the material of the container, and especially the surface exposed to the hazardous atmosphere should. A liquid is typically considered a nonconductive, static. Electrostatics code of practice for the avoidance of hazards due to static electricity. National fire protection agency 77 recommended practice on static electricity or cenelec clctr 50404 electrostatics code of practice for the avoidance of hazards due to static electricity.
In the electronics industry, the fact that static electricity can easily damage sensitive devices and circuits is now well established. Clctr 50404 electrostatics code of practice for the avoidance of hazards due to static electricity. Modelling of electrostatic ignition hazards in industry. Electrostatics code of practice for the avoidance of hazards due to static electricity pd clctr 50404. The new standard on avoidance of electrostatic hazards. Details are given for causes of static electricity. Agency 77 recommended practice on static electricity or cenelec clctr 50404 electrostatics code of practice for the avoidance of hazards due to static electricity. Code of practice for the avoidance of hazards due to static electricity british standard pd clctr 50404. Code of practice for the avoidance of hazards due to static electricity code of practice for the avoidance of hazards due to static electricity pdclc50404 2003 edition superseded see the following.
Standards bs5958, pd clctr 50404 and other codes of practice present guidelines for the control of undesirable static electricity. Practice on static electricity or cenelec clctr 50404 electrostatics code of practice for the avoidance of hazards due to static electricity. Recommendations for particular industrial situations recommendations for particular industrial situations bs59582 1991 edition superseded see the following. Cenelec tr 50504, electrostatics code of practice for the avoidance of hazards due to static electricity, 2003. Currents or national fire protection agency 77 recommended practice on static electricity or cenelec clctr 50404 electrostatics code of practice for. Statement of problem and substantiation for public input. Pdf ignition risks from static electricity problems. The second part, iec 60079322, is entitled electrostatics hazards tests and outlines test methods to determine factors like surface resistance, earth leakage resistance, powder resistivity, liquid conductivity, capacitance and the incendivity of electrostatic discharges. Clctr 50404 june 1, 2003 electrostatics code of practice for the avoidance of hazards due to static electricity a description is not available for this item.