def METHOD_NAME(self, outlet):
    rsp = self.wc.grab_response('/setting_admin4.xml')
    xd = fromstring(rsp[0])
    for ch in xd:
        if 'relay' not in ch.tag:
            continue
        outnum = ch.tag.split('relay')[-1]
        if outnum == outlet:
            return ch.text.lower()