Definition Of A Shock Hazard

A shock hazard is the potential electric shock to a person that can be caused by many circumstances.

Definition of a shock hazard. The shock hazard boundaries are dependent on the system voltage and can be found in table 130 4 d. Search shock hazard and thousands of other words in english definition and synonym dictionary from reverso. Electric shock hazard abstract. A long standing expert on electric shock hazards summarizes the studies that determined the effective body impedance under varying conditions.

Search shock hazard and thousands of other words in english cobuild dictionary from reverso. The prevention of electrical shocks is accomplished through shock hazard analysis. Wikipedia lexilogos oxford cambridge chambers harrap wordreference collins lexibase dictionaries merriam webster. It occurs when there is a voltage difference that a person may come into contact with.

An update to the 2012 version of table 130 4 includes voltages up to 800kv. Turning to means for reducing low voltage 120 240 volt hazards double. You can complete the definition of shock hazard given by the english cobuild dictionary with other english dictionaries. He describes perception currents reaction currents let go currents and fibrillating currents.

Wikipedia lexilogos oxford cambridge chambers harrap wordreference collins lexibase dictionaries merriam webster. In severe cases this may be fatal. An electrical shock is a physical reaction to electrical currents passing through the body. For example if the person is standing on the ground which is at 0 v any conductor at a given voltage they come into contact with a faulty electric circuit for example may cause an electric current to.

The arc flash boundary is based on voltage the available fault current and the time it takes for the upstream protective device to operate and clear the fault. The prohibited approach boundary was removed from nfpa 70e in 2015. The arc flash hazard analysis should determine the arc flash boundary afb and level of personal protective equipment ppe that the worker must wear. There are many systems and devices that prevent electrical hazards.

A shock hazard is considered to exist at an accessible part in a circuit between the part and ground or other accessible parts if the potential is more than 42 4 volts peak and the current through a 1 500 ohm load is more than 5 milliamperes. A shock hazard occurs when an electric current passes through a person.