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LEDs Illuminating Some Exterior Savings
Chuck Ross
LED lighting remains an expensive upgrade in some applications, but
exterior lighting is one area this solid-state technology is beginning
to make solid economic sense. The combination of energy efficiency and
extremely long service life can help facility owners ensure their
buildings are lit securely with minimal ongoing maintenance.
Square D PowerPact D-frame Mission Critical Circuit Breaker
A trend that continues to grow is the application of selective coordination requirements in many markets and industries. Mission critical circuit breakers are designed to meet these growing needs. The newest addition, PowerPact D-frame Mission Critical circuit breaker, joins the LA/LH Mission Critical circuit breakers and the NSF Mission Critical circuit breaker.
Philips (1) Lamp Fundamentals
Introduction to common lamp types, how they work and the terminology associated with lighting.
