Pat-Test-It provide a reliable portable appliance testing service, using testers who NAPIT are qualified (The National Association of Professional Inspectors and Testers). We use up to date Portable Appliance Testing equipment, which is calibrated annually. All portable appliance testing is carried out to the professional standard of the IET (Institution of Engineering and Technology) Code of Practice for In-Service Inspection and Testing Of Electrical Equipment- recognized by the Health and Safety Executive.