Product recalls emphasise the importance of testing

Testing regime is different for fixed and portable appliances
 
 
The Megger MFT1730 offers downloading of 17th Edition test results
The Megger MFT1730 offers downloading of 17th Edition test results
 
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Tags:
17th Edition
Electrical Safety
Multifunction Testers
Pat Testing
Product Recalls

Industrys:
Electronics
Engineering

Location:
Stockton On Tees - Durham - UK

Subject:
Reports

STOCKTON ON TEES, U.K. - Feb. 6, 2014 - PRLog -- PAT testing applies to the workplace
17th Edition testing applies in all cases
Multifunction testers gaining popularity

Despite a multiplicity of tests that manufacturers have to perform on electrical products before they can go on sale, there are always some with defects that slip through the net.

Last month in January 2014 for example, both B&Q and Aqualisa issued product recalls. Firstly, a B&Q manufacturing supplier identified a component defect that could lead to a risk of reduced electrical insulation on its three-pin USB power adapters purchased between August and October 2013.

Secondly, Aqualisa identified a potential fault in some of its electric showers that could result in a leak at the base of the showering unit, as a result of routine product testing and quality control processes.

“Once a product has left the manufacturer, these two types of problems are worlds apart when it comes to testing and traceability, reveals Barry Atkins, managing director of PASS Ltd, the independent test equipment expert.

“The first product is a portable appliance while the second is a fixed appliance which is, or should be, bought only by professional electricians. The first case is addressed by PAT testing while the second is addressed by the 17th Edition Wiring Regulations.

PAT testing only applies to the workplace whereas 17th Edition testing of fixed appliances applies in all cases during installation and subsequent inspections.

Testing is not just about hooking up instruments. In the specific case of a shower, a visual inspection comes first on all terminations to check that screw connections are tight. Only then is insulation resistance checked between line and earth and between neutral and earth, followed by the earth continuity test, and finally the RCD test.

The electrical industry is constantly evolving, with innovation coming from every turn, as well as the rules and regulations governing electrical installation and testing. It is of vital importance to learn about these changes and use high quality, safe electrical test equipment that is in compliance with all rules and regulations.

As always, the choice is between discrete testers for specific groups of 17th Edition tests or multifunction testers. Larger project teams may prefer to have one contractor performing insulation resistance while another performs earth continuity testing on another circuit, in which case discrete instruments may be favoured.

However, multifunction testers are becoming increasingly popular among electricians who want to do away with the hassle of constantly switching instruments. Multifunction testers may or may not offer downloading of test results. To help electricians make a choice PASS has two multi-vendor comparison charts at the following links:

Non-Downloadable Multifunction Installation Tester Comparison Chart (http://www.tester.co.uk/non-downloadable-multifunction-in...)

Downloadable Multfunction Installation Tester Comparison Chart (https://www.tester.co.uk/advanced-multifunction-installat...)

Contact
Boris Sedacca
44 1582 478308
pr@pass.co.uk
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Source:
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Tags:17th Edition, Electrical Safety, Multifunction Testers, Pat Testing, Product Recalls
Industry:Electronics, Engineering
Location:Stockton On Tees - Durham - United Kingdom
Subject:Reports
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