MK Electric
MK Electric is a British manufacturer of electrical accessories, best known for switches, socket outlets and the Multy Kontact socket design.
Last updated August 31, 2026
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Overview
MK Electric is a British electrical-accessories brand headquartered in Basildon, Essex. Its products include switches, socket outlets, plugs and related electrical fittings used in domestic, commercial and industrial installations. The company is associated particularly with robust high-rated switches and sockets and with safety features such as shuttered socket outlets. The business traces its origins to the work of Charles Arnold and Charles Belling. In 1912, the two men formed Belling and Company, initially making electric fires. After Arnold returned from military service, he established the Heavy Current Electrical Accessories Company in 1919, with Belling as a shareholder. The business later adopted the MK Electric name, derived from its Multy Kontact product line. A major early development was the Multy Kontact spring-grip socket for three-pin plugs. The design gained broad acceptance in Britain, and the British Engineering Standards Association changed its standards to accommodate the product. Growing demand led to the construction of additional production facilities at Edmonton, Middlesex, by 1923. The company's identity subsequently became closely tied to the MK name. MK also contributed to the development of safer domestic electrical fittings. In 1928 it produced an early shuttered socket that concealed the live and neutral contacts when a plug was removed. This approach helped reduce the risk of accidental contact with energized parts and became an important feature of British socket design. The company continued developing electrical equipment, including high-rated switches and a light-switch design introduced in the 1950s that remained in use for many years. During the Second World War, the Edmonton factory shifted much of its production toward munitions and other war-related work. Product-development activity resumed after the war in 1945. The post-war period saw MK continue as an established British manufacturer of electrical installation products, serving the building and electrical-contracting sectors. The company became a publicly traded business in 1966 under the name MK Electric Holding Company Ltd. It subsequently became part of Novar plc and, following Honeywell International's acquisition of Novar in 2005, became a Honeywell subsidiary. MK products have been sold in Britain and internationally. A Southend-on-Sea factory reached the production milestone of 100 million sockets in 2014, illustrating the scale of the brand's manufacturing history. MK Electric's positioning is based on engineering-led electrical safety, durability and installation reliability rather than consumer lifestyle branding. Its historical importance comes from the adoption of the Multy Kontact socket, the development of shuttered sockets and its long presence in the British electrical-accessories market. The available reference material does not identify a separate current corporate website, detailed recent product portfolio or named current executives; those fields are therefore left unspecified.
History
MK Electric developed from a partnership between Charles Arnold and Charles Belling. In 1912 they established Belling and Company, a business initially involved in the manufacture of electric fires. Following his release from the army, Arnold founded the Heavy Current Electrical Accessories Company in 1919, with Belling retaining an interest as a shareholder. The new company concentrated on electrical accessories and developed products intended for demanding current loads. Its most important early product was the Multy Kontact spring-grip socket for the British three-pin plug. The design became a market leader and was influential enough for the British Engineering Standards Association to revise its standards to accommodate it. As demand increased, the company built new production facilities at Edmonton, Middlesex, in 1923. It later took the name MK Electric, reflecting the importance of the Multy Kontact range to the business. Safety innovation became another defining part of the company's history. In 1928 MK produced a shuttered socket that covered the live and neutral contacts when no plug was inserted. The design addressed the danger of accidental contact with energized socket components and helped establish the type of safety feature now associated with British socket outlets. MK also continued to develop high-rated switches and other electrical fittings for installation applications. The Second World War interrupted the normal product focus. The Edmonton factory was redirected toward munitions production in support of the war effort. Development work resumed in 1945, after which MK returned to the manufacture and improvement of electrical accessories. During the 1950s it introduced a light-switch design that remained in use for decades, demonstrating the company's emphasis on durable, standardized installation products. In 1966 the business entered the stock market and became MK Electric Holding Company Ltd. It later became a subsidiary of Novar plc. Honeywell International acquired Novar in 2005, bringing MK Electric into the Honeywell corporate group. The brand continued to manufacture and sell electrical accessories from the United Kingdom while serving customers in international markets. A significant later manufacturing milestone occurred in 2014, when the Southend-on-Sea factory produced its 100 millionth socket. Across its history, MK Electric has been associated with British electrical engineering, standards-oriented product development and mass production of switches and sockets. The supplied reference material does not provide a complete account of recent ownership arrangements, current leadership, product families or marketing campaigns, so those areas remain limited here.
- 2014
Southend factory reaches 100 million sockets
[1]The Southend-on-Sea manufacturing site produces its one hundred millionth socket.
- 2005
MK becomes part of Honeywell
[1]Honeywell International acquires Novar plc, bringing MK Electric into the Honeywell group.
- 1966
Company becomes publicly traded
[1]The business floats on the stock exchange and adopts the corporate name MK Electric Holding Company Ltd.
- 1945
Post-war development resumes
[1]After wartime production at the Edmonton factory focused on munitions, MK resumes product-development work.
- 1928
First shuttered socket is produced
[1]MK produces a socket with shutters that conceal live and neutral contacts when the plug is removed.
- 1923
New Edmonton production facilities open
[1]Rapid demand for the company's Multy Kontact products leads to new manufacturing facilities at Edmonton, Middlesex.
- 1919
Heavy Current Electrical Accessories Company is founded
[1]After returning from military service, Charles Arnold establishes the Heavy Current Electrical Accessories Company, with Charles Belling as a shareholder.
- 1912
Belling and Company is formed
[1]Charles Arnold and Charles Belling establish Belling and Company, initially producing electric fires.
Products and positioning
Engineering-led electrical accessories focused on safety, durability, standards compliance and dependable installation performance.
Socket outlet
Multy Kontact spring-grip socket
The Multy Kontact spring-grip socket was MK Electric's defining early product. Designed for the British three-pin plug, it became a market leader and influenced British electrical standards. Its success drove production expansion during the 1920s and ultimately supplied the basis for the MK name.
Safety socket outlet · 1928
Shuttered socket
Introduced in 1928, MK's shuttered socket concealed the live and neutral contacts when a plug was absent. The design addressed accidental-contact hazards and became an important example of the brand's emphasis on electrical safety and protective installation features.
Electrical switch · 1950
MK light switches
MK developed a light-switch design during the 1950s that remained in use for many years. It represents the company's post-war focus on durable, standardized fittings for domestic and building installations.
Electrical installation equipment
High-rated switches and electrical accessories
MK's broader range includes high-rated switches, socket outlets, plugs and related electrical accessories. These products serve installation environments where dependable switching, connection and mechanical durability are important.
Brand decisions
2005
Join Honeywell through the acquisition of NovarM&ABackground
MK Electric was a subsidiary of Novar plc when Honeywell International acquired Novar.
Action taken
Honeywell acquired Novar, thereby bringing MK Electric into its corporate group.
Aftermath
MK continued as a Honeywell-associated electrical-accessories brand.
1966
Float on the stock exchangeOtherBackground
After decades of growth in electrical accessories, the company pursued a public-company structure.
Action taken
The business floated on the stock exchange and became MK Electric Holding Company Ltd.
Aftermath
MK continued as a recognized electrical-accessories business before later becoming part of Novar and then Honeywell.
1939
Shift factory output to wartime productionStrategyBackground
The Second World War created demand for manufacturing capacity to support the British war effort.
Action taken
MK redirected production at its Edmonton factory toward munitions.
Aftermath
Normal product-development work resumed in 1945.
1923
Expand production for Multy Kontact demandStrategyBackground
Demand for the Multy Kontact socket was growing rapidly after its adoption in the British electrical-accessories market.
Action taken
The company built new production facilities at Edmonton, Middlesex, and subsequently adopted the MK Electric name associated with its flagship product.
Aftermath
The expansion supported the brand's emergence as a significant British manufacturer of sockets and other electrical accessories.
Recent events
- 2014
MK Electric factory produces its one hundred millionth socket[1]
Other
MK Electric's Southend-on-Sea factory reached a production milestone of 100 million sockets, highlighting the scale and longevity of the brand's manufacturing operations.
Sources1 sources
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