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Instructions for switching on electric voltage up to 1000 V and higher
🙞 Instructions for switching in electrical installations 🙝
🙞 Replaces the expired CO 153-34.20.505-2003 🙝
🞵This instruction on switching in electrical installations determines the order and sequence of switching in electrical installations that are part of the Unified Energy System of Russia and technologically isolated territorial electric energy systems.
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🞍Notes:
🞌 Use the instructions conveniently on smartphones with a diagonal> 4.5 ''