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Q: Is it okay to fish electrical wiring through the wood-framed chases built around hvac ducts and chimneys?
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Electricians use long, flexible drill bits to make holes in hard-to-reach places — to bore through a row of joists from a ceiling box, for example, while leaving the drywall undisturbed.
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Clamp meters let electricians measure current in a live wire without stripping the insulation or touching the conductor, but the calculator-like display can be hard to read in dark basements or outside in the sun.
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Q: To retrofit light fixtures for old plaster ceilings that will be covered with new drywall, I plan to screw 1/2-inch-deep metal pancake boxes into the lathe of the existing ceilings and hang the new drywall around the boxes. But my electrician wants to cut into the ceiling and install deeper...
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Home Run
Jim Benya discusses residential lighting controls
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Chinese drywall investigated in Florida; West Virginia builder sued for installing fake radon systems; green building stats fall short; more
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Are You Using State-of-the-Art Lighting Controls?
Until the mid-1970s, buildings usually were designed without any type of lighting control. In fact, many also were designed without heating systems, because of the enormous heat produced by 24-hour operation of indoor lighting systems. In hot climates, you can imagine how this added to the amount...