Source: https://tendernation.io/opportunities/01a13c13-2384-7389-8039-8f53d32927bc/whc-mains-isolator-switch closed GB open procedure # WHC - Mains Isolator Switch [any of the projects listed on the portal](https://tendernation.io/buyers/any-of-the-projects-listed-on-the-portal) Estimated value Not stated Published 10 Mar 2017 Deadline Closed 18 Apr 2017 ## Who can bid - Open procedure Anyone can submit a full tender; there is no shortlisting stage. ## About this tender Welwyn Hatfield Borough Council is seeking tenders from suitably qualified contractors to undertake the Installation of Electricity Mains Isolation Switches within social housing in the Borough of Welwyn Hatfield. Contractors will need to: - Install the isolation switch (Wylex 100amp double pole switch ( REC) Meter Tails) - Undertake all the administration required - Supply an NICEIC test certificate. It is imperative that the Contractor provides certification from UK Power Networks to work on the Network. Additional information: Is a Recurrent Procurement Type? : No ## CPV classification Electrical installation work Source Contracts Finder (UK) [View official notice](https://www.contractsfinder.service.gov.uk/notice/8f8f686d-a049-4be5-aba8-76397ac7d140) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile any of the projects listed on the portal: past awards and live tenders](https://tendernation.io/buyers/any-of-the-projects-listed-on-the-portal) [Sector More Construction work tenders](https://tendernation.io/sectors/construction-work) ## More tenders like this [Bannister Sports Centre Athletic Track Soft Market Testing Exercise · Harrow Council · 38 days left · 26 Nov 2026](https://tendernation.io/opportunities/01a1540d-d9e4-71cb-ad57-1603e9042fec/bannister-sports-centre-athletic-track-soft-market-testing-exercise) [Treloweth Community Hall Alterations and Extension Project · Carn Brea Parish Council · 49 days left · 7 Dec 2026](https://tendernation.io/opportunities/01a154e4-4991-71db-baac-ffae413f1c41/treloweth-community-hall-alterations-and-extension-project) [Norwich City Verges Mowing 2026 · Norse Eastern Ltd · 30 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a15476-5fd9-70eb-b920-a66dc3e661e1/norwich-city-verges-mowing-2026) [Gwasanaethau Toeau - Gwaith cyfalaf wedi'i gynllunio ac atgyweiriadau ymatebol / Roofing Services - Planned capital works and responsive repairs · Denbighshire County Council · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15476-6094-72b9-928b-5c887e7ceea4/gwasanaethau-toeau-gwaith-cyfalaf-wedii-gynllunio-ac-atgyweiriadau-ymatebol) [Repair of St Michaels and All Angels Church Wall · Aylsham Town Council · 31 days left · 19 Nov 2026](https://tendernation.io/opportunities/01a15476-6316-7235-8948-8f108b3da399/repair-of-st-michaels-and-all-angels-church-wall) [Building Minor Works · Derbyshire Support and Facilities Services Limited · 25 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15408-9087-7003-bd47-df7bc19d7ff7/building-minor-works)