Electrically classified areas for flammable liquids (Class I), combustible dust (Class II), as well as fibers and flyings (Class III) require explosion proof electrical wiring within the classified area. You also need to be concerned about any workers who may attempt work using an unrated extension within the classified area. One potential solution from Lawson Electronics LLC is the EPEXC-25 extension cord. This cord is 25 feet in length and are equipped with a twist-lock design. For operation, the employee inserts the plug into a receptacle and twists until it locks into place. Click here for more information.

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