HEATKEYS

UL is the trusted source across the globe for product compliance. Benefiting a range of customers - from manufacturers and retailers to consumers and regulating bodies.

HowStuffWorks Electronics gives you explanations, reviews, opinions, and prices for popular electronics, iPods, home theaters, and other gadgets.

Using system design expertise and state-of-the-art technology to help clients integrate reliable, cost-effective LED technology into their lighting projects.

Makers of power surge suppressors. Information for consultant engineers, contractors, and supply houses.

Surge Protection for AC Lines. Surge Protection for Data Lines. Surge Protection for DC Lines. TVSS Protection. Lightning Transient Protectors. Branch Panel Protection. Main Panel Protection. Surge Basics The main job of a surge protector system is...

Cabling solutions for fiber and copper communications systems and wireless LANs. Cable installation issues cover copper, fiber-optic, coaxial cable.

Emtek was founded in 1981 as a manufacturer of specialty hardware products selling to door manufacturing companies. We specialize in Door Hardware, Door Locks, Entrysets, Deadbolts, Levers, Sideplates, Passage/Privacy Knobs, and Cabinet Pulls.

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