Why do some electrical switches disconnect the phase and neutral wire but some disconnect only one wire ? 320 viewsJanuary 1, 2024 Question98.93K April 25, 2023 0 Comments Why do some electrical switches disconnect the phase and neutral wire but some disconnect only one wire ? In: 8 9 Answers ActiveNewestOldest Anonymous Posted April 25, 2023 0 Comments Because with 3 phase you can use only 1 neutral wire for 3 live wire. So you cut both the neutral and live to be sure you don’t have residual current on your neutral wire that could come from the other phase. You are viewing 1 out of 9 answers, click here to view all answers. Register or Login
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