query: What's the purpose of a dual two-pole breaker?
positive_passages.docid: 146090
positive_passages.text: What is a tandem breaker (aka duplex, cheater, twin, double-stuff, etc.)?
negative_passages.docid: 157912
negative_passages.text: How does a transformer transmit power from the primary to the secondary?
negative_passages.docid: 95587
negative_passages.text: How can I safely prototype a mains power circuit?
negative_passages.docid: 145665
negative_passages.text: Tapping energy from high voltage AC transmission lines
negative_passages.docid: 127144
negative_passages.text: Panel breakers are alternately 90 V and 140 V
negative_passages.docid: 44127
negative_passages.text: What are the ways to make a dual power supply from a single voltage source?
negative_passages.docid: 58516
negative_passages.text: Limiting the short circuit current of a power supply
negative_passages.docid: 90285
negative_passages.text: Determine if wire in switch box is safe to re-purpose?
negative_passages.docid: 50917
negative_passages.text: Why two inverters cascaded in multiplexer control signal terminals?
negative_passages.docid: 23438
negative_passages.text: How can I replace 2-prong receptacles in a code compliant way?
negative_passages.docid: 120283
negative_passages.text: If DC adapters are so prevalent, why is AC used in construction by default?
negative_passages.docid: 92681
negative_passages.text: Controlling Two Circuits with One Switch
negative_passages.docid: 67662
negative_passages.text: Does a GFCI receptacle provide overcurrent protection?
negative_passages.docid: 29636
negative_passages.text: Why is daisy-chaining surge protectors not recommended?
negative_passages.docid: 143807
negative_passages.text: Connection for a 2 switch ceiling fan
negative_passages.docid: 38793
negative_passages.text: What is the purpose of an Ethernet coupler that reverses all the pins?
negative_passages.docid: 95047
negative_passages.text: What is this glass bulb with two parallel electrodes on my PCB?