. SAFETY GENERAL PRECAUTIONS DO NOT GO CLOSE TO HIGH-VOLTAGE CABLES Even going close to high-voltage cables can cause electric shock, which may cause serious burns or even death. Always maintain a safe distance (see the table on the right) between the machine and the electric cable. Check with the local power company about safe operating procedure before starting operations. To prepare for any possible emergencies, wear rubber shoes and gloves. Lay a rubber sheet on top of the seat, and be careful not to touch the chassis with any exposed part of your body. Use a signalman to give warning if the machine approaches too close to the electric cables.
When carrying out operations near high voltage cables, do not let anyone near the machine. If the machine should come too close or touch the electric cable, to prevent electric shock, the operator should not leave the operator's compartment until it has been confirmed that the electricity has been shut off. Also, do not let anyone near the machine. ENSURE GOOD VISIBILITY Check for any persons or obstacles in the area around the machine and check the conditions of the jobsite to ensure that operations and travel can be carried out safely. Always do as follows. Position a signalman if there are areas at the rear of the machine where the visibility is not good.
When working in dark places, turn on the working lamp and front lamps installed to the machine, and set up additional lighting in the work area if necessary. Stop operations if the visibility is poor, such as in mist, snow, rain, or dust. 2 - 16 Do not travel o r operate the machine nea r electric cables. There is a hazard of e lectric shock, which where may cause s erious personal injury or deat h. O n jobsites the go close to electri c cables , always do as follows Before starting work near electric cables, inform the local power company o f the work to be performed, and ask them to take t he necessary action.
Voltage of Cables Safety Distance 100 V - 200 V Over 2 m (7 ft) 6,600 V Over 2 m (7 ft) 22,000 V Over 3 m (10 ft) 66,000 V Over 4 m (14 ft) 154,000 V Over 5 m (17 ft) 187,000 V Over 6 m (20 ft) 275,000 V Over 7 m (23 ft) 500,000 V Over 11 m (36 ft)