Do I need to replace this frayed MacBook charger ie IS IT

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macbook pro - How to fix a frayed cable on a MagSafe Power Adapter? - Ask Different

Do I need to replace this frayed MacBook charger ie IS IT DANGEROUS? Used a ton of electrical tape (6 years of use) — but I don't have a lot of $$

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macbook pro - Is it safe to use frayed MagSafe with outer insulation part is broken - Ask Different