Electrical shock is the major factor contribute to injury and more serious death statistic for electrical incident around the world.We can’t assume are is present or not because it is not visible and can look with naked eyes.

Electrical safety principle is to keep away person from live voltage.For electrical person,they need to clarify voltage value is safe or not before proceed any maintenance and repairing activity to avoid electrical shock using a multimeter.

To minimize the electrical shock incident,some country have the new standard and regulation for machine and power panel safety installation such as to install the Voltage Verification. read more