Working with electricity on construction sites requires the correct precautions to be taken by both site manager and operatives in order to ensure a safe and sufficient system of work for all involved. 
While electrical equipment can be useful in site activities, it presents just as much risk of harm and even death if it is not assessed before use. 
 
It is important when working with electrical equipment that the system is isolated and turned off when not in use, as doing so reduces the risk of accidents involving electricity. An electric shock can vary from a minor injury to fatal, especially depending on whether low or high voltage is used. A risk assessment and a safe isolation procedure must be put in place before any work with electrical systems are conducted. 
The isolation procedure is divided into multiple steps, to be carried out by operatives after managing any work with electrical equipment. The electrical system and equipment used for work must be identified. Any equipment connected to the electrical system must be removed, with any equipment capable of storing charge is safely discharged. Any switches and other means of disconnection must be put into the ‘off’ position. The system must not be left on while isolated, as this might lead to potential damage to both the system and any operatives working around it. Propriety lock-out devices can also to be utilised so that no one can freely turn on the electrical system of their own accord without any supervision. 
 
Due to the high risk involved in working with electrical equipment, an electrical permit to work is required so that all operatives are fully aware of the hazards and injuries associated with the activity. This permit differs from general permits to work focusing specifically on electricity. No one not included in the permit should take part in carrying out electrical works, as those involved must be sufficiently trained, competent and knowledgeable of this specific operation. 
 
What Can We Learn From This? 
• Electrical systems must be isolated and turned off when not in use 
• Electrical permits to work are required when working with high-risk electrical activities 
• A safe isolation procedure must be put into effect 
 
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