Hemingray Insulator Profile: CD 242  
The Hemingray No.66 is the middle size in a series of three power insulators produced by Hemingray in the 1920's. Other insulators in the series: No.88 (CD 243) and No.23 (CD 241). It was numbered "66" due to its voltage rating, 6600-8800 volts.  

Dimensions: 3 1/4" H x 5" W
Years Produced:
Style Number:66
Rarity Scale (1-10): Very Uncommon (6)
Usage: Power
Voltage Rating: 6600-8800 Volts
Known Embossing Collapse
HEMINGRAY [010] (F-Skirt) HEMINGRAY - 66 (R-Skirt) MADE IN U.S.A. SDP Photo

The following embossings were removed from the price guide because they could not be verified to exist:

Unverified Embossings
Year Removed

CD 242 Insulators for Sale
Photos (click to enlarge) Description / Condition Color Current Price
Guide Value
Sale Price
PhotoPhoto CD 242 Hemingray [010]

Looking to fill in this rare CD number without paying $400-500? Here you go. This specimen was split in half near the mold lines at some point and was reglued. Whoever reglued it did an excellent job, and it's pretty hard to see. It also has the typical numerous chipped drip points, a skirt chip in the rear, and a flake on the ear.
Hemingray Blue $400-500 $90

Looking for the value of this insulator? Click here.


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