If a typical power supply is used for outdoor lighting, transients on the power line will cause instant failure. Most commercially available power supplies are tested to withstand typical indoor transients of 1000 volts. This is a minimal level needed to get past a short warranty period operation in a well protected building environment. It is grossly insufficient for outdoor applications. ALLED’s power supplies are designed to withstand transient events up to 6000 volts, in accordance with the specification ANSI / IEEE C62.41 level B3. This gives a very high probability of survival for up to 30 years in outdoor environments.
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