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Study material for pipe welders

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Practical demonstrations

Video topics

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Pipe preparation

How to prepare PE pipe with a rotary scraper

Remove the oxidised surface evenly before electrofusion jointing.

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Pipe preparation

How to prepare a house connection with a finger scraper

Use a drill-powered finger scraper to prepare house connection pipe.

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Clamping

How to use a Unitop spigot clamping device

Secure and align a spigot fitting correctly during installation.

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Installation

Installation and tooling of a large spigot saddle

Tooling and installation steps for spigot saddle outlets larger than OD160.

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Pressure testing

How to pressure test a house connection

Set up a test using the egeplast quick-release Rothenberger pump.

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Electrofusion

FRIALEN Quick-Clamp EF tapping saddle

Clamp and install a FRIALEN electrofusion tapping saddle correctly.

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Equipment

Ritmo Elektra 500 EF welding machine

Set up and operate the Ritmo Elektra 500 electrofusion control unit.

Study notes and quizzes

Study notes

Study Notes 2025

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Scraping checklist

Coming soon

Fusion fault guide

Coming soon

Water hygiene notes

Coming soon

Knowledge checks

Electrofusion quiz

20 questions

Butt fusion quiz

20 questions

Pressure testing quiz

15 questions

Audio revision

35 minutes

Interactive revision

Electrofusion knowledge checks

Use the two existing 20-question quizzes to check your understanding. These revision checks do not replace formal assessment.

Welcome to your Electro Fusion Exam Questions A

All electrofusion fitting welding times, written on the packaging of the fittings, are calculated based on what temperature:

Electrofusion fittings under 250mm are normally between which of the following voltages:

By manually inputting welding times you are ensuring the fittings are welded correctly and the machine is storing all the necessary information?

Electrofusion welding units need to be calibrated every ___ months according to Uisce Éireann?

In an OD160 SDR11 PE100 blue pipe, the maximum depth of a scratch may not be more than

The two most common pin hole sizes for electrofusion fittings are?

Please name the fitting shown?

What is the purpose of a dismantling joint on a water main

On a PE water main, where would you be most likely to find the weak point

The four jointing techniques that can be used for PE pipes and fittings are: butt fusion, electrofusion, stub end and backing ring, mechanical fittings

What alternatives are acceptable in case 90% Iso-propyl / 95% Ethanol wipes are not available

Which standard IS NOT adhered to on an Uisce Éireann or Bord Gais Site

What is an acceptable level scoring on PE pipes between 90mm and 250mm

What is the maximum amount of welds that Uisce Éireann can ask to be sent for destructive testing under normal circumstances on pipe sizes below 250mm?

Which one equation is correct?

What is minimum required strength of PE80 pipe

Please name the fitting shown?

In an OD110 SDR17 PE100 black pipe, the maximum depth of a scratch may not be more than

Which tool is not acceptable to use while scraping pipe before EF welding

According to WIS 4-32-08, can extension leads be used on the control box outlet connectors?

Formal certification

Learning material supports training. It does not replace assessment.

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