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CEI EN 60079-14

Explosive atmospheres Part 14: Electrical installations design, selection and erection

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Organization: CEI
Publication Date: 1 April 2015
Status: active
Page Count: 272
ICS Code (Electrical apparatus for explosive atmospheres): 29.260.20
scope:

This part of the IEC 60079 series contains the specific requirements for the design, selection, erection and initial inspection of electrical installations in, or associated with, explosive atmospheres.

Where the equipment is required to meet other environmental conditions, for example, protection against ingress of water and resistance to corrosion, additional protection requirements may be necessary.

The requirements of this standard apply only to the use of equipment under standard atmospheric conditions as defined in IEC 60079-0. For other conditions, additional precautions may be necessary, and the equipment should be certified for these other conditions. For example, most flammable materials and many materials which are normally regarded as non-flammable might burn vigorously under conditions of oxygen enrichment.

NOTE 1 The standard atmospheric conditions defined in IEC 60079-0 relate to the explosion characteristics of the atmosphere and not the operating range of the equipment i.e.

  • Temperature: -20 °C to 60 °C;
  • Pressure: 80 kPa (0,8 bar) to 110 kPa (1,1 bar); and
  • air with normal oxygen content, typically 21 % v/v

These requirements are in addition to the requirements for installations in non-hazardous areas.

NOTE 2 For voltages up to 1 000 V a.c. or 1 500 V d.c. requirements of this standard are based on installation requirements in the IEC 60364 series, but other relevant national requirements can apply.

This standard applies to all electrical equipment including fixed, portable, transportable and personal, and installations, permanent or temporary.

This standard does not apply to

- electrical installations in mines susceptible to firedamp;

NOTE 3 This standard can apply to electrical installations in mines where explosive gas atmospheres other than firedamp can be formed and to electrical installations in the surface installation of mines.

- inherently explosive situations and dust from explosives or pyrophoric substances (for example explosives manufacturing and processing);

- rooms used for medical purposes; - electrical installations in areas where the hazard is due to flammable mist.

NOTE 4 Additional guidance on the requirements for hazards due to hybrid mixtures of dust or flyings and flammable gas or vapour is provided in Annex M.

No account is taken in this Standard of the toxic risks that are associated with flammable gases, liquids and dusts in concentrations that are usually very much less than the lower explosive limit. In locations where personnel may be exposed to potentially toxic concentrations of flammable material, appropriate precautions should be taken. Such precautions are outside the scope of this Standard.

 

Document History

September 1, 2016
Explosive atmospheres Part 14: Electrical installations design, selection and erection
A description is not available for this item.
CEI EN 60079-14
April 1, 2015
Explosive atmospheres Part 14: Electrical installations design, selection and erection
This part of the IEC 60079 series contains the specific requirements for the design, selection, erection and initial inspection of electrical installations in, or associated with, explosive...
December 1, 2014
Explosive atmospheres Part 14: Electrical installations design, selection and erection
This part of the IEC 60079 series contains the specific requirements for the design, selection, erection and initial inspection of electrical installations in, or associated with, explosive...
February 1, 2010
Explosive atmospheres Part 14: Electrical installations design, selection and erection
La presente parte delle Norme della serie EN/IEC 60079 contiene le prescrizioni specifiche per la progettazione, la scelta e l’installazione degli impianti elettrici nei luoghi pericolosi per la...
May 1, 2004
Electrical apparatus for explosive gas atmospheres - Part 14: Electrical installations in hazardous areas (other than mines)
La presente Norma si applica alla progettazione ed esecuzione degli impianti elettrici nuovi nei luoghi con pericolo di esplosione e trasformazioni radicali degli impianti elettrici esistenti. La...
January 1, 1998
Costruzioni elettriche per atmosfere esplosive per la presenza di gas - Parte 14: Impianti elettrici nei luoghi con pericolo di esplosione per la presenza di gas (diversi dalle miniere)
La Norma contiene le prescrizioni specifiche per la progettazione, scelta ed esecuzione degli impianti elettrici nei luoghi con pericolo di esplosione per la presenza di gas, vapori o nebbie...

References

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