Cutout

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OBJECT TYPE: fuse/3 to 2 wire/double-branch/enclosed fuse/cartridge
DATE: 1915
ARTIFACT NUMBER: 1992.2713.001

MANUFACTURER: Canadian General Electric Co. Ltd.
MODEL: 7338
LOCATION: Canada

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: porcelain shell/ copper/ wax

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 22.2 cm
Width: 7.1 cm
Height: 3.9 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Energy-electric
Category: User site
Sub-Category: N/A

Manufacturer

AKA: General Electric
Country: Canada
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Unknown
Period: 1910s to at least 1950s
Canada: An example of a fuse cutout of a type made and used in Canada. Part of a large and varied collection of over 7500 electrical items acquired and documented by Ontario Hydro in the1960s. The collection was thought to be the largest and most comprehensive of its kind in Canada and was donated to the National Museum of Science and Technology in 1992.
Function: An electrical device which interrupts the flow of electrical current through a piece of apparatus or equipment.
Technical: An example of a fuse cutout. In the period 1880 to 1889 Edison invented a device to protect wiring from over-heating. In 1880 he patented the use of a fuse. The early fuse block was first made of wood with brass fittings. Lamps were individually fused until the early 1900s. In the period 1890-1899, fusing was often done using fuse wire in an open porcelain cutout with a cover of sheet mica or porcelain. These cutouts were made of porcelain as were the fuse plugs. These links consisted of lengths of fuse wire with copper terminals at each end. In the latter part of this period, the cartridge fuse was introduced. It was most common in industrial settings but was the only type that could be used when the current was more than 30 amps (Ref. 2).
Area Notes: Unknown

Details

Markings: raised lettering on top reads "C.C.E. CO. LTD./ 30A. 250V."/ raised lettering on underside reads "SYM NO. 7338" with partially illegible "CAT. 3487OA"
Missing: appears complete
Finish: glazed white porcelain/ copper coloured metal/ brown wax
Decoration: N/A

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If you choose to share our information about this collection object, please cite:

Canadian General Electric Co. Ltd., Cutout, after 1915, Artifact no. 1992.2713, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1992.2713.001/

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