Intermediate

Protection & Fault Analysis

Protective devices reduce risk only when they operate correctly and within the required time. This course covers overcurrent protection, earth fault loop impedance, RCD selection and coordination between devices.

Open access: every current ElectraCore lesson is available without an account or payment.

6 modules29 lessons4h 6minOpen access

Course contents

Course curriculum

0 of 29 lessons complete. Progress is stored on this device.

Start courseBegin with Rewirable fuses vs cartridge fuses

Course goals and prerequisites

What you'll learn

Select the correct protective device type for any circuit
Calculate fault loop impedance and verify protection operates
Understand and apply discrimination between protective devices
Specify RCDs and RCBOs to meet regulations
Calculate prospective fault current at any point in a system
Design protection systems that meet BS 7671

Before you begin

Electrical Fundamentals
Domestic Wiring (recommended)

01. Rewirable fuses vs cartridge fuses

lesson9min

02. MCB operating characteristics: B, C, D curves

lesson10min

03. RCBO: combined RCD + MCB operation

lesson9min

04. AFDD: arc fault detection

lesson9min

05. Device selection quiz

quiz8min

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Protection & Fault Analysis

Open access: every current ElectraCore lesson is available without an account or payment.

6 modules29 lessons4h 6minOpen access

What you'll learn

Select the correct protective device type for any circuit

Calculate fault loop impedance and verify protection operates

Understand and apply discrimination between protective devices

Specify RCDs and RCBOs to meet regulations

Calculate prospective fault current at any point in a system

Design protection systems that meet BS 7671

Protection & Fault Analysis

What you'll learn

Prerequisites

Course curriculum

What you'll learn

Before you begin

Protection & Fault Analysis

What you'll learn

Prerequisites

Course curriculum

What you'll learn

Before you begin