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Rewire Terminology

This web page provides an explanation of the terms used in electrical rewires.

17th Edition – the 17th edition (version or major update) of a UK national standard for electrical wiring. Issued by the IET (Institution of Engineering and Technology).


Armoured Cable – specially protected electrical cable, often used outside (sheds, garages, ponds etc) or in harsh environments.

BSI – British Standards Institute.

Chase – for instance ‘chase the wiring’ – the act of cutting a groove into a surface, for instance a wall, to put wire into.

Conduit – plastic tube that protects electrical wiring. Conduit comes in different shapes, for instance round or square tubing.

Consumer Unit – an electrical distribution unit that has RCD protection devices. A unit that splits an electrical supply up. Sometimes, incorrectly, called a ‘fuse box’ or ‘fuse board’.
Fuse Boards

Elecsa – a company that assesses and certifies electrical contractors.

Electrical Test and Inspection – testing of electrical installations, inspection of electrical installations, to ensure they are safe.
Electrical Test and Inspection information.

Estimate – a rough approximation of the cost of a job.

Fittings – minor electrical items that are the ‘public face’ of an electrical circuit, for instance light switches, sockets, dimmer switches and light fitments.

NAPIT – National Association of Professional Inspectors and Testers. About NAPIT

NICEIC – pronounced ’Nicky’ – an electricians trade association – National Inspection Council for Electrical Installation Contracting.

‘Part P’ – Part P of Schedule 1 of the Building Regulations (England and Wales). Part P deals with electrical regulations.
Part P information.

PAT Testing – the testing of portable appliances, for instance P.C.s, toasters and kettles, to ensure that they are safe to use at a place of employment.
PAT Testing information.

Quote – an agreement on how much a job will cost.
Rewire Quote Help & Tips

RCD – Residual Current Device – an electrical safety device that removes the supply to a circuit.
RCD information

Rewire – replacing some or all the electrical wiring of a house.

Spur – a branch of an electrical circuit.


Judge Electrical Limited
15 Mulberry Court, Huntington, York, YO32 9TU
Telephone 01904 764845 (Landline), 07919 033113 Mobile)
Email info@judgeelectrical.co.uk
VAT No. 852917405. Company Number 6359328