Voltage Transformers
Voltage transformers carry full system voltage but no significant current. They have a fine wire of many turns on the primary winding (very high resistance and inductance) connected between the phase conductor and earth, and…
Industry Leading Electrical Courses
Switching Programs & Switching Operations
High voltage switching is a high-risk task, and as such the use of switching programs is critical. A switching program is a written list of sequential logical operations to permit isolation and re-energisation of electrical…
Earthing Switches
Earthing switches are usually installed in combination with an isolator and the two should be interlocked electrically or mechanically to ensure that the isolator is open before the earthing switch is closed, and conversely that…
Entering A Hazardous Area
Even when work is not being conducted, caution is needed when entering a hazardous area. Regardless of whether work is to be actioned the following actions should be taken before you enter a hazardous area:…
Permit To Work Systems
Permit to work systems are fundamental to ensuring that work is safely actioned. The purpose of the permitting system is to ensure that all work to be performed will not adversely affect plant operations, and…
Hazardous Area Responsibilities
The plant owner has numerous responsibilities related to hazardous areas. These responsibilities are stated in AS/NZS 60079.2017 book 14 and 17, and include: Ensuring that systems are in place so that all hazardous areas are…
Occupational Health And Safety
Faulty hazardous area electrical installations have the potential to cause a major catastrophe on a facility. Each state and territory have their own Occupational Health and Safety Act. As of 2019 the legislation is administered…
What Our EEHA Course Covers
In this blog, we expand on what the Electrical Equipment in Hazardous Area (EEHA) course covers. The EEHA course is designed to provide you with the practical skills and knowledge to undertake electrical work in…
What to expect at Coex Training’s Hazardous Area course
What can you expect from our Hazardous Area Installation and Maintenance course? Coex Training’s Hazardous Areas courses provide the knowledge and skills to report, inspect, install, maintain and attend breakdowns of electrical equipment in a…
What to expect in the practicals
Do you need skills that are applicable to the real world? It’s one thing to learn new theories, but another to apply them in a practical scenario. At Coex Training, we utilise active training systems…
