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BESST has developed a team of engineers and electricians who are proficient in EEHA design and consultation.  

Hazardous Area engineering and hazardous area electrical design and consultation is part of the foundation of BESST. We are industry leaders in this field. Our expertise in hazardous area is backed up by 20 years of successful outcomes for our clients working within this high risk industry.

The requirements for the selection of electrical equipment for use in hazardous areas must comply with AS/NZS 2381.1 or AS/NZS 61241.14
The installation of electrical equipment in hazardous areas must comply with AS/NZS 2381.1 or AS/NZS 61241.14.

Australian / New Zealand Standard AS/NZS 4761 specifies the competencies required for work associated with electrical equipment for hazardous areas.  


EEHA - What we offer?

BESST Engineering has nationally recognised competencies that also meet the requirements of this standard, for classifying hazardous areas and designing electrical systems for hazardous areas, including:

  • Hazardous area classification procedures and techniques

  • Gas / vapour installations and combustible dusts

  • Documentation of the classification

  • Protection techniques

  • Electrical equipment selection

  • Earthing and equipotential bonding requirements

  • Ex i entity calculations

  • Ex e motor protection

  • Cable de-rating requirements

  • Maximum dissipated power calculations

  • General design principles

  • The competencies are not applicable to underground coal mining applications.

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