The specific electric motor for operation in areas considered at risk have additional safety features and follow the rules that are specific to each type of risk area, following the classification.
To operate in hazardous areas, the electric motor should be general requirements that are described in both Brazilian standards as international standard.
Before installation, putting into operation or perform maintenance on an electric motor that is installed in hazardous areas it is important to take some care.
The first task is to turn off the electric motor and wait until the electric motor to stop working completely, even before running it any maintenance, repair or inspection.
The protections that exist in the electric motor must all be installed and adjusted properly before putting the electric motor to operate, and also requires that the electric motor is properly grounded.
The connection terminals must be properly connected so that is avoided the poor contact that can generate heat or spark in the electric motor.