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Swiss Federal Office of Energy SFOE
ESTI
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Federal Inspectorate for Heavy Current Installations ESTI
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Federal Inspectorate for Heavy Current Installations ESTI
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Electrical products
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Registers of authorisations and permits
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The ESTI
The ESTI
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Electrical products
Any party making low voltage products or Ex products available on the market must be able to prove their compliance with the applicable ordinances.
Documentation
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Registers of authorisations and permits
Electronic registers of products with the S+ safety mark, general and limited installation permits as well as inspection permits.
Media releases
Latest media releases on market surveillance, safe electricity and other topics.
Reporting of accidents and damage
Reportability obligations as per the Heavy Current Ordinance.
Archive News
The ESTI
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Function and tasks
ESTI is responsible for the technical supervision and inspection of electrical installations throughout Switzerland.
Organization
ESTI is a separate division of Electrosuisse operating on behalf of the Swiss government.
Address and access map
Headquarters at Fehraltorf and branch at Bulle.
Positions vacant
We offer attractive positions for qualified applicants. Please contact us!
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ESTI's current fees.
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Last edition: 12.08.2025
