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

• 
  Pioneers of Modern Design: From William Morris to Walter Gropius (Penguin Art & Architecture)
• 
  Hampshire: Winchester and the North (The Buildings of England) (Pevsner Architectural Guides: Buildings of England)
• 
  Devon (Pevsner Buildings of England)
• 
  Gloucestershire 2: The Vale and The Forest of Dean: Vale and Forest of Dean Pt. 2 (Pevsner Architectural Guides: Buildings of England)
• 
  The green guide for historic buildings: how to improve the environmental performance of listed and historic buildings
• 
  Lancashire: Manchester and the South-East (Pevsner Architectural Guides: Buildings of England)