Products with battery backup contain a battery so in the case of a power outage the lights or signs with stay illuminated for roughly 90 minutes.
NEMA Rated
NEMA Rated enclosures are intended for indoor or outdoor use primarily to provide a degree of protection against the entry of water during prolonged submersion at a limited depth. NEMA 12 NEMA 12 enclosures are designed to prevent the ingress of dust, water, and oil.
