U-807-844

(Ridged skirt styles similar to post insulators)
U-807
Manufacturer or Marking
Lapp (USA)
U-807
Size: 127mm X 152mm (5 x 6)
Example in Photo: Lapp (USA)
Photo Credit: Fred Collier
To directly link to this image copy and paste below URL:
U-807A
Manufacturer or Marking
No Name (USA)
U-807A
Size: 127mm X 158mm (5 x 6 ¼)
Example in Photo: No Name (USA)
Photo Credit: Mid Norris
To directly link to this image copy and paste below URL:
U-808
Manufacturer or Marking
Lapp (39716) (USA)
Victor Ins. Inc. (USA)
U-808
Size: 165mm X 177mm (6 ½ x 7)
Example in Photo: Lapp (39716) (USA)
Photo Credit: Charles Robinson
To directly link to this image copy and paste below URL:
U-808A
Manufacturer or Marking
Victor Ins. Inc. (USA)
U-808A
Size: 165mm X 184mm (6 ½ x 7 ¼)
Example in Photo: Victor Ins. Inc. (USA)
Photo Credit: Elton Gish
To directly link to this image copy and paste below URL:
U-814
Manufacturer or Marking
Lapp (26040) (USA)
U-814
Size: 165mm X 260mm (6 ½ x 10 ¼)
Example in Photo: Lapp (26040) (USA)
Photo Credit: Fred Collier
To directly link to this image copy and paste below URL:
U-816
Manufacturer or Marking
Locke (23553) (USA)
U-816
Size: 254mm X 120mm (8 x 4 ¾)
Example in Photo: Locke (23553) (USA)
Photo Credit: Matt Grayson
To directly link to this image copy and paste below URL:
U-816A
Manufacturer or Marking
Locke (23551) (USA)
U-816A
Size: 254mm X 146mm (10 x 5 ¾)
Example in Photo: Locke (23551) (USA)
Photo Credit: Robin Harrison
To directly link to this image copy and paste below URL:
U-816B
Manufacturer or Marking
Locke (23550) (USA)
U-816B
Size: 279mm X 177mm (11 x 7)
Example in Photo: Locke (23550) (USA)
Photo Credit: Chris Headges
To directly link to this image copy and paste below URL:
U-816C
Manufacturer or Marking
Locke (23565) (USA)
U-816C
Size: 279mm X 190mm (11 x 7 ½)
Example in Photo: Locke (23565) (USA)
Photo Credit: Elton Gish
To directly link to this image copy and paste below URL:
U-817
Manufacturer or Marking
Chance (USA)
Victor Ins. Inc. (USA)
U-817
Size: 152mm X 190mm (6 x 7 ½)
Example in Photo: Victor Ins. Inc. (USA)
Photo Credit: Charles Robinson
To directly link to this image copy and paste below URL:
U-817A
Manufacturer or Marking
Victor Ins. Inc. (USA)
U-817A
Size: 152mm X 260mm (6 x 10 ¼)
Example in Photo: Victor Ins. Inc. (USA)
Photo Credit: Phil Franco
To directly link to this image copy and paste below URL:
U-818
Manufacturer or Marking
No Name (Lapp) (USA)
U-818
Size: 76mm X 101mm (3 x 4)
Example in Photo: No Name (Lapp) (USA)
Photo Credit: National Insulator association
To directly link to this image copy and paste below URL:
U-819
Manufacturer or Marking
No Name (Lapp) (USA)
U-819
Size: 165mm X 222mm (6 ½ x 8 ¾)
Example in Photo: No Name (Lapp)
Photo Credit: Elton Gish
NOTE: The only known example is in the Lapp Museum
To directly link to this image copy and paste below URL:
U-820
Manufacturer or Marking
No Name (JD) (USA)
U-820
Size: 234mm X 203mm (9 ¼ x 8)
Example in Photo: No Name (JD)
Photo Credit: eBay Auction
To directly link to this image copy and paste below URL:
U-821
Manufacturer or Marking
Lapp (5839) (USA)
U-821
Size: 114mm X 82mm (4 ½ x 3 ¼)
Example in Photo: Lapp (5839) (USA)
Photo Credit: Shaun Kotlarsky
To directly link to this image copy and paste below URL:
U-822
Manufacturer or Marking
Lapp (5839, Oldest style) (USA)
U-822
Size: 114mm X 82mm (4 ½ x 3 ¼)
Example in Photo: Lapp (5839, Oldest style) (USA)
Photo Credit: Elton Gish
To directly link to this image copy and paste below URL:
U-825
Manufacturer or Marking
Lapp (5840) (USA)
U-825
Size: 114mm X 114mm (4 ½ x 4 ½)
Example in Photo: Lapp (5840) (USA)
Photo Credit: Charles Robinson
To directly link to this image copy and paste below URL:
U-827
Manufacturer or Marking
No Name (USA)
Lapp (oldest 5840) (USA)
U-827
Size: 114mm X 114mm (4 ½ x 4 ½)
Example in Photo: Lapp (oldest 5840) (USA)
Photo Credit: Charles Robinson
To directly link to this image copy and paste below URL:
U-828
Manufacturer or Marking
Lapp (Newest 5840) (USA)
My Image
Size: 127mm X 117mm (5 x 4 )
Example in Photo: Lapp (Newest 5840) (USA)
Photo Credit: Charles Robinson
To directly link to this image copy and paste below URL:
U-833
Manufacturer or Marking
Lapp (USA)

NOTE: In 2008 and older reference books there was a U-831, U-832. They are both part of U-833.
U-833
Size: 127mm X 147mm (5 x 5 ¾)
Example in Photo: Lapp (USA)
Photo Credit: Charles Robinson
To directly link to this image copy and paste below URL:
U-834
Manufacturer or Marking
Lapp (USA)
O-B (USA)
Victor Ins. Inc (USA)
Westinghouse (USA)
U-834
Size: 127mm X 147mm (5 x 5 ¾)
Example in Photo: Westinghouse (USA)
Photo Credit: Charles Robinson
To directly link to this image copy and paste below URL:
U-836
Manufacturer or Marking
Lapp (USA)
U-836
Size: 127mm X 147mm (5 x 5 ¾)
Example in Photo: Lapp (USA)
Photo Credit: Charles Robinson
To directly link to this image copy and paste below URL:
U-839
Manufacturer or Marking
Lapp (USA)
U-839
Size: 165mm X 177mm (6 ½x 7)
Example in Photo: Lapp (USA)
Photo Credit: Charles Robinson
To directly link to this image copy and paste below URL:
U-841
Manufacturer or Marking
Lapp (USA)
U-841
Size: 165mm X 177mm (6 ½ x 7)
Example in Photo: Lapp (USA)
Photo Credit: Charles Robinson
To directly link to this image copy and paste below URL:
U-844
Manufacturer or Marking
Lapp (USA)
U-844
Size: 165mm X 212mm (6 ½ x 8 )
Example in Photo: Lapp (USA)
Photo Credit: Charles Robinson
To directly link to this image copy and paste below URL: