This Outline covers single-conductor@ insulated and integrally or non-integrally jacketed@ sunlight resistant@ photovoltaic wire rated 90?? 105?? 125?? or 150??dry and@ 90??wet@ 600@ 1000@ or 2000 V for interconnection wiring of grounded and ungrounded photovoltaic power systems as described in Wiring Systems@ Article 690@ and other applicable parts of the National Electrical Code (NEC)@ NFPA 70.