ElectroSafety

The Portable Appliance PAT Testing Site of JPS Calibration Services Ltd

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Introduction

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Portable Appliance Testing

( PAT Testing )

Be Safe Be Legal Be Tested
JPS are accredited with NAPIT (National Association of Professional Inspectors and Testers
PAT Test Inspection and Testing

The IEE Code of Practice recognises four test situations.
 
1. Type Testing to an appropriate standard
 2. Production testing
 3. In-Service testing
 4. Testing after repair

This area of the site is limited in covering topics concerned with In Service Testing only. Details on the other three test situations are covered briefly within the associated electrical standards page.

In Service Testing is carried out as a routine to determine whether the equipment is in a satisfactory condition.

In-Service testing will involve the following:
 
(a) Preliminary inspection
 (b) Earth continuity tests (for Class 1 equipment)
 (c) Insulation testing (Which may sometimes be substituted by earth leakage measurement)
 (d) Functional checks.

Electrical testing should be performed by a person who is competent in the safe use of the test equipment and who knows how to interpret the test results obtained. This person must be capable of inspecting the equipment and, where necessary, dismantling it to check the cable connections.

If equipment is permanently connected to the fixed installation, e.g. by a flex outlet or other accessory, the accessory will need to be detached from its box or enclosure so that the connections can be inspected. Such work should only be carried out by a competent person.

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JPS Calibration Services Ltd
13 St Giles Close
Wendlebury
Bicester
Oxfordshire
UK
OX25 2PZ
Tel +44 (0)845 17025 00
Fax +44 (0)845 17025 01
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