Ex Local Control Stations — Selection and Inspection Guide
This article covers Ex Local Control Stations — Selection and Inspection Guide. Ex local control stations (LCS) are used for motor starting and stopping in hazardous areas. This guide covers Ex d and Ex de LCS selection, inspection requirements, and common deficiencies.
Overview
Understanding this equipment type is important for both CompEx Ex01/Ex02 (installation and selection) and Ex03/Ex04 (inspection). EX Academy's simulations include this equipment type across multiple scenarios.
EX Academy's inspection simulations and equipment selection scenarios include this equipment type. Each scenario presents a real work order with the equipment type, zone classification, gas group, and inspection findings or selection requirements.
Key Selection and Inspection Points
For selection: verify zone, gas group, T-class, and EPL against the area classification. For inspection: check the certificate matches the area, verify all entries are sealed, check for physical damage, and classify any deficiencies using the IEC 60079-17 Category X/A/B/C system.
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