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Protection Types · EX Academy Knowledge Base

Ex ec Energy-Limited Equipment — Zone 2 Guide

EX Academy Knowledge Base · IEC 60079 · CompEx Preparation · 2025

This article covers Ex ec Energy-Limited Equipment — Zone 2 Guide as part of the EX Academy knowledge base on hazardous area electrical protection types.

Overview

Ex ec is an energy-limited protection type for Zone 2 electrical equipment. This guide explains how Ex ec differs from Ex e and when it is used.

Key Requirements

Refer to the relevant IEC 60079 standard for detailed technical requirements. EX Academy's training modules cover this protection type in detail with practical examples referenced to IEC 60079.

Practice This in the Simulator

EX Academy's inspection simulations and equipment selection scenarios include questions on this protection type, helping you apply the requirements to real scenarios.

Further Reading

See our related articles below for more information on this and related protection types.

Put This Into Practice

Reading about it is one thing. EX Academy puts you in the scenario — interactive inspection simulations, equipment selection decisions, and 1,185+ practice questions all referenced to IEC 60079.

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