Joke Collection Website - Bulletin headlines - Do ETL-certified lines need warning slogans?

Do ETL-certified lines need warning slogans?

ETL-certified lines require warning signs.

Warning slogans can effectively eliminate public paralysis and carelessness, but they should not create an atmosphere of fear.

ETL is the most dynamic safety certification mark in North America. Its history can be traced back to the electrical testing laboratory founded by Thomas Edison in 1896. It has wide visibility and recognition in North America.