Minor Works Certificate Generator

Minor Electrical Installation Works Certificate

BS 7671-compliant. Complete all sections then print a clean A4 certificate.

1Contractor Details

Company nameAddressPhoneCertification body & number

2Installation Details

Client nameAddress of installationDescription of workLocation / extent of work

3Installation Condition at Time of Work

Earthing arrangementProtective device typeDevice rating (A)Device BS numberRCD typeRCD operating current (mA)RCD disconnection time (ms)Comments on existing installation

4Test Results

Circuit description	Live CSA (mm²)	CPC CSA (mm²)	IR Line/Line (MΩ)	IR Line/Earth (MΩ)	Polarity ✓	Zs (Ω)	RCD time (ms)

BS 7671 minimum: insulation resistance ≥ 1 MΩ; RCD ≤ 300 ms at I△n (≤ 40 ms for 30 mA type A/AC). Zs must not exceed the maximum permitted for the protective device.

5Declaration

I/We hereby certify that the work detailed on this certificate has been designed, constructed, inspected and tested in accordance with BS 7671 (IET Wiring Regulations) and that to the best of my/our knowledge and belief, the minor works do not impair the safety of the existing installation.

Certificate numberNamePosition / roleSignatureDate

About this certificate

This Minor Electrical Installation Works Certificate is required under BS 7671:2018+A2:2022 (IET Wiring Regulations 18th Edition) for minor works that do not include the provision of a new circuit. It must be given to the person ordering the work on completion. The certificate number is auto-generated in the format MW-YYYYMMDD-XXXX and can be edited if required.