Age & Markings Certificate34975age & Markings Certificate8778 Form

Instructions and help about Age & Markings Certificate34975age & Markings Certificate8778

the marking of hazardous location electrical equipment known as ex equipment may seem complex and confusing markings are consistently applied to electrical devices that have been proven to be compliant with safety requirements defined in standards when you break marking down to its separate parts it all begins to make sense this presentation will focus on the markings of products approved under the iecx scheme for use where gases are or may become present we can best explain markings by working through an example here's some sample markings let's look at each part ex means explosion protected the equipment is to be used in an environment in which there are or may be ignitable or explosive gases vapors dusts or flyings steps have been taken in the design of the device to ensure that an explosion cannot take place or should one happen it cannot spread to the hazardous environment the next part of the marking indicates the specific method of protection used based on the relevant iec stand