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How to test this fan

Discussion in 'General Electronics Discussion' started by mikey5791, Apr 19, 2014.

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  1. mikey5791


    Jun 7, 2013
    Hi, I recently salvaged this fan marked as SUNON DP 200A 220-240V 50/60 HZ 0.14A
    Impedance Protected (refer img-0478). The issue is the AC Mains in my country is 230V but the fan have two green cable
    running out from the unit (refer img-0479).
    My questions are as follows:
    How do i know which green cable to connect to Live and which cable to Neutral
    in my AC mains?
    Can I connect the AC mains direct to the green cable ?

    Any answers to the above is apprecia IMG_0478.JPG IMG_0478.JPG IMG_0479.JPG IMG_0480.JPG ted.
    Thanks in advance for help.
  2. Harald Kapp

    Harald Kapp Moderator Moderator

    Nov 17, 2011
    Answer 1: The way you connect the wires doesn't matter. The fan doesn't know about life or neutral, all it will see at the terminals is an AC voltage.
    answer 2: With appropriate care: yes.

    Working on mains voltages is very dangerous. Stay away from life voltages, keep all connections well insulated.
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