query: Is it safe to power a PC fan (12V 0.30A) with an adjustable power adapter (3 -12V 2A) for an extended period? (8 hrs/day, 365 days/year)
positive_passages.docid: 423
positive_passages.text: Choosing power supply, how to get the voltage and current ratings?
negative_passages.docid: 142123
negative_passages.text: Changing the frequency of an AC supply
negative_passages.docid: 2268
negative_passages.text: Question regarding use of low voltage high current outputs
negative_passages.docid: 147687
negative_passages.text: Practical way to generate 1500V?
negative_passages.docid: 139633
negative_passages.text: If I leave my chargers plugged into the wall socket at all times, do they consume energy or present a safety risk?
negative_passages.docid: 140120
negative_passages.text: How can I adapt a 3-pin PC fan connector to a 4-pin connector?
negative_passages.docid: 123978
negative_passages.text: Why is this power adapter transformerless?
negative_passages.docid: 132607
negative_passages.text: Can computer power supplies use North American 240V (hot-hot-ground)?
negative_passages.docid: 2782
negative_passages.text: Can I safely charge my laptop with a non-standard, third-party charger?
negative_passages.docid: 145316
negative_passages.text: Paralleling power supplies for higher current
negative_passages.docid: 107826
negative_passages.text: How to interpret the output of a 3-pin computer fan speed sensor?
negative_passages.docid: 5227
negative_passages.text: When would I use a voltage regulator vs voltage divider?
negative_passages.docid: 87422
negative_passages.text: Powering 12V device from 5/9/12V powerbank
negative_passages.docid: 28182
negative_passages.text: Two power supplies in one machine
negative_passages.docid: 49235
negative_passages.text: Does a power supply draw only as much power as it needs?
negative_passages.docid: 134041
negative_passages.text: Transformerless power Supply - 24VDC, 120V AC and 230V AC
negative_passages.docid: 91243
negative_passages.text: What are the highest DC and AC voltages or currents that can be considered as safe?