Electrical – use the receptacle multi-tap on both ends of an extension cord

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I have a Voltec three way adapter, it converts a 5-15 plug into a (3) 5-15 receptacles. Is it safe to use this adapter at either end of the extension cord? So three way adapter to extension cords then tools or extension cord to three way adapter then tools.

Best Answer

It really depends what you're powering

Three cell phone chargers, you're gonna be fine. But a table saw and a dust collector, ain't gonna happen.

The power-factor-corrected loads (i.e. Their VA not their watts) need to be added up. They need to be within the capacity of the circuit (15A=1800VA intermittent, or 12A=1440VA continuous). You should be fine if so.

Otherwise expect burnt and damaged splitters, and/or a breaker trip, depending on luck.