Electrical wiring poses a significant hazard in construction sites, often resulting in severe injuries or fatalities. Therefore, awareness of these electrical hazards is crucial for preventing such incidents.
(Photo : Unsplash/Emmanuel Ikwuegbu )
1. Overhead Power Lines
Construction workers are exposed to considerable risk when they work on sites with overhead electricity lines. These lines have a high voltage, which means that if they come into contact with an individual or object, they can inflict significant burns or even electrocution. Accordingly, workers should always keep a safe distance from overhead electrical wires and know their placement.
Under normal circumstances, workers should keep a distance of at least ten feet from overhead lines. However, if the voltage applied to the ground is greater than 50 kilovolts, they must maintain a distance of more than 10 feet. As voltage increases, the distance between laborers and power lines increases proportionally.
2. Damaged Equipment and Cords
One of the most severe dangers construction workers face on the job site is the possibility of damaged electrical tools and equipment. Preventing electrocution or fire hazards requires that cables, wires, and connections remain devoid of cracks, cuts, or abrasions. A trained and experienced specialist must repair or replace damaged cords. Additionally, extension cords must come with grounding plugs, and all electrical tools, unless double-insulated, must be grounded.
3. Improper Grounding
By providing an accessible and secure means for excess energy to travel from the device or instrument back to the energy source, electrical grounding ensures that the circuit is tripped if something causes a malfunction. It shields the worker from potential hazards such as electrocution and burning by preventing the discharge of excess energy into the nearest source, typically the worker. Moreover, employees ought to receive instruction regarding the significance of grounding and the grounding pin. This pin must never be removed. Only attempt to accommodate an extension cord or receptacle without a ground wither for the tool's electrical plug.
4. Wet Conditions
Workers should be careful not to utilize electrical equipment or tools in moist environments because doing so significantly raises the danger of electrocution. Wet conditions can be prevalent on construction sites, even when the weather is not a factor. This is because water plays an essential part in mixing cement concrete, managing dust while dirt is being transported, and curing work for construction projects.
5. Damaged Insulation
Insulation that is either defective or insufficient poses a risk. Look for damaged insulation and report it as soon as possible. Before repairing damaged insulation, make sure that all power sources are turned off, and under no circumstances should you attempt to hide it with electrical tape.
6. Inadequate Wiring and Overloaded Circuits
The utilization of cables that are disproportionate in size to the current may result in electrical fires and overheating. Always ensure you utilize the appropriate wire for the task at hand and the electrical load you are working on to avoid this. Employ an extension cord that is specifically engineered for heavy-duty applications. Ensuring that an outlet is not overloaded when using circuit breakers is crucial. Carry out regular fire risk assessments to identify places susceptible to poor wiring and circuits.
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