U-unlisted (Old U-24)
Manufacturer or Marking
No Name (Canada)

NOTE: In 2008 and older reference books, This was known as U-24. Not being a US insulator it s now removed as U1-999 is for US insulators only.

Size: 57mm X 88mm (2 ¼ x 3 ½)
Example in Photo: No Name (Canada)
Photo Credit: James Mulvey

U-unlisted (Old U-25)
Manufacturer or Marking
No Name (Canada)

NOTE: In 2008 and older reference books, This was known as U-25. Not being a US insulator it s now removed as U1-999 is for US insulators only.

Size: 66mm X 95mm (2 ⅝ x 3 ¾)
Example in Photo: No Name (Canada)
Photo Credit: Matt Grayson

U-unlisted
Manufacturer or Marking
No Name (CP?) (Canada)
CP (Canada)

NOTE: This was going to be U-130, but it is suspected that it is a Canadian Porcelain made insulator so would not fit in the U-2-999 range that is for US insulators only

Size: 114mm X 107mm (4 ½ x 4 ¼)
Example in Photo: No Name (CP?) (Canada)
Photo Credit: Mid Norris

U-441B SIM
Manufacturer or Marking
Bullers (logo) (England)

NOTE: This is like the US U-441B, But it is from England so can not be in the US Range

Size: 92mm X 73mm (3 ⅝ x 2 ⅞)
Example in Photo: Bullers (logo) (England)
Photo Credit: Gene Kingsley

U-Unlisted
Manufacturer or Marking
No Markings (Italy)

Size: 54mm x 39mm
Example in Photo: No markings "CN 2" style
Photo Credit: Shaun Kotlarsky

U-Unlisted
Manufacturer or Marking
No Name (Europe)

Size: 60mm x 76mm
Example in Photo: Colombia
Photo Credit: Bob Scafe

U-Unlisted
Manufacturer or Marking
Richard Ginori (italy)

Size: 60mm x 79mm
Example in Photo: Richard Ginori
Photo Credit: Shaun Kotlarsky

U-Unlisted
Manufacturer or Marking
No Name (Colombia)

Size: 66mm x 69mm
Example in Photo: No Name
Photo Credit: Bob Scafe

U-Unlisted
Manufacturer or Marking
No Name (Colombia)

Size: 66mm x 69mm
Example in Photo: No Name
Photo Credit: Bob Scafe

U-Unlisted
Manufacturer or Marking
No Name (Colombia)

Size: 66mm x 69mm
Example in Photo: No Name
Photo Credit: Bob Scafe

U-Unlisted
Manufacturer or Marking
No Name (England)

Size: 76mm x 88mm
Example in Photo: No Name
Photo Credit: Gene Kingsley

U-Unlisted
Manufacturer or Marking
No Name (Richard Ginori) (Italy)

Size: 66mm x 98mm
Example in Photo: No Name
Photo Credit: Shaun Kotlarsky

U-Unlisted
Manufacturer or Marking
Richard Ginori (Italy)

Size: 63mm x 101mm
Example in Photo: Richard Ginori
Photo Credit: Shaun Kotlarsky

U-Unlisted
Manufacturer or Marking
Richard Ginori (Italy)

Size: 76mm x 101mm
Example in Photo: Richard Ginori
Photo Credit: Shaun Kotlarsky

U-Unlisted
Manufacturer or Marking
Richard Ginori (Italy)

Size: 88mm x 85mm
Example in Photo: Richard Ginori
Photo Credit: Shaun Kotlarsky

U-Unlisted
Manufacturer or Marking
No Name (Yellow, Red, Blue stripe) (Germany)

Size: 82mm x 127mm
Example in Photo: No Name
Photo Credit: Bob Scafe

U-Unlisted
Manufacturer or Marking
OTE (Greece)

Size: 79mm x 114mm
Example in Photo: OTE
Photo Credit: Bob Scafe

U-Unlisted
Manufacturer or Marking
G&G (England)

Size: 88mm x 101mm
Example in Photo: G&G
Photo Credit: Gene Kingsley

U-Unlisted
Manufacturer or Marking
IRUPE (Argentina)

Size: 88mm x 107mm
Example in Photo: IRUPE
Photo Credit: Bob Scafe

U-Unlisted
Manufacturer or Marking
No Name (Netherlands)

Size: 98mm x 193mm
Example in Photo: Netherlands
Photo Credit: Bob Scafe

U-Unlisted
Manufacturer or Marking
EB (Italy)

Size: 107mm x 92mm
Example in Photo: EB
Photo Credit: Shaun Kotlarsky

U-Unlisted
Manufacturer or Marking
FIP (Italy)

Size: 47mm x 107mm x 95mm
Example in Photo: FIP
Photo Credit: Shaun Kotlarsky

U-Unlisted
Manufacturer or Marking
Ginori (Italy)

Size: 69mm x 114mm x 107mm
Example in Photo: Ginori
Photo Credit: Shaun Kotlarsky

U-Unlisted
Manufacturer or Marking
No Name (Hungary)

Size: 111mm x 120mm
Example in Photo: No Name (Hungary)
Photo Credit: Bob Scafe

U-Unlisted
Manufacturer or Marking
Ceramica Ligure (Italy)

Size:128mm x 125mm x 109mm x 98mm
Example in Photo: Ceramica Ligure
Photo Credit: Shaun Kotlarsky

U-Unlisted
Manufacturer or Marking
Richard Ginori (Italy)

Size: 139mm x 114mm x 95mm x 120mm
Example in Photo: Richard Ginori
Photo Credit: Shaun Kotlarsky

U-Unlisted
Manufacturer or Marking
Richard Ginori (Italy)

Size: 114mm x 95mm
Example in Photo: Richard Ginori
Photo Credit: Shaun Kotlarsky

U-Unlisted
Manufacturer or Marking
Richard Ginori (Italy)

Size: 127mm x 130mm
Example in Photo: Richard Ginori
Photo Credit: Shaun Kotlarsky