History

Following the Newport (Monmouthshire) Electric Lighting Order 1891, the corporation built Newport’s first power station at 21 Llanarth Street. The station supplied power at 2000 Volts AC, which had to be reduced to 200 Volts for household use at transformers such as this, and a similar listed transformer at Graham Street.

Exterior

Cast iron cylindrical casing has low conical cap bearing iron lamp standard without lamp. Rim of cap has beaded decoration; relief decoration beneath rim on body of transformer which is divided into panels by horizontal ribs, and vertical ribs which bear hinges for access doors.

Reasons for Listing

Extremely rare survival from early period of electricity supply industry.

External Links

• Cadwr Listing
• Wikidata Q29482994

External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.

Recommended Books

• 
  Norfolk 1: Norwich and North-East: Norwich and North-east v. 1 (Pevsner Architectural Guides: Buildings of England)
• 
  The green guide for historic buildings: how to improve the environmental performance of listed and historic buildings
• 
  Setting up a Listed Building Heritage Partnership Agreement: Historic England Advice Note 5
• 
  Dorset (Pevsner Architectural Guides: Buildings of England)
• 
  Period Property Manual (New Ed)
• 
  [(Cumberland and Westmorland)] [By (author) Nikolaus Pevsner] published on (January, 1967)