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Wiring

  • Burying Electrical Wiring In Attic Insulation

    Q: I know that knob-and-tube wiring can't be covered with insulation, but what about BX cable and joist-mounted junction boxes? Are there any restrictions on blowing cellulose insulation into an attic and burying the cable and junction boxes?

     
  • Upgrading to Three-Prong Outlets

    Q. In an older house wired with BX cable, can the original two-prong outlets be upgraded to three-prong grounded outlets, provided they're properly bonded to the original metallic boxes?

     
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    JLC Extra: Solar Cargo Trailer

    This schematic shows how to wire the trailer-mounted photovoltaic power system described in July’s Backfill article.

     
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    Running Wire in Conduit

    EMT costs more up front, but it's less likely to get damaged and makes future upgrades a lot easier.

     
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    JLC Extra Q&A: Tips for Snaking Wires

    Q. I have to rewire an old home that has well-maintained plaster walls throughout. I'd like to do this without gutting the interior. Any tips for wire-snaking?

     
  • Subpanel Bonding

    Q: Is it possible to properly bond an electrical subpanel without running four-wire SER cable to it from the service-entrance panel? Some electricians have told me that under certain circumstances the subpanel can have its own ground wire and rod, while o

     
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    Woods Industries LockJaw Locking Plug Extension Cords

    Few things are more irritating than having a power tool repeatedly come unplugged from an extension, or dealing with a knotted connection that keeps snagging on framing members or ladders.

     
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    General Cable FrogHide Ultra Flex Extension Cords

    Working outside in the winter usually means your extension cords will be about as supple as a frozen garden hose.

     
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    Tool Test: Recip Saws

    The best models cut fast, vibrate less, and make blade changes easy.

     
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    Installing Cable Railing

    With a couple of specialty tools, you can offer this sleek look to your high-end customers.

     
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    Adding a Three-Way Switch

    Q: My clients want to add another light and a second switch to one of their existing lighting circuits, a wall sconce controlled by a single-pole switch. Power feeds the light before running to the switch; because of existing conditions, the easiest option would be to replace the single-pole switch...

     
  • Cable Hanger Device

    Now available with the Orbiter and Nyhavn outdoor luminaires, Louis Poulsen Lighting's cable hanger unit (introduced with the LP Icon in 2004) serves as an exterior-rated, through-wiring splice box that provides a safe, watertight electrical connection. The cable attaches to the top of each fixture...

     
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    Material Exploration

    A planetarium juxtaposes the materiality of its daytime image against a nighttime presence wholly defined by light.

     
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    Tool Test 16-Gauge Finish Nailers

    Look for a tool that sets nails consistently and has a good line of sight

     
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    Replacing an Electrical Service

    Upgrading service equipment increases safety and load capacity while bringing the house up to code.

     
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    Electrical Problem-Solvers

    When it comes to wiring, these tools and products can save you time and money

     
  • Q&A: Service-Entrance Cable Under a Garage

    Q: The proposed location for my client's new detached garage is right on top of a buried service-entrance cable. The electric meter is mounted on a pedestal about 100 feet from the house, and a conduit runs to the house through the area where the garage —

     
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    Hardware Show Roundup

    Cool tools and products from this year's event.

     
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    Toolbox

    Bosch Gravity-Rise table-saw stand; Ridgid Pro Pack vac; tile tools; levels

     
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    Tool Test: Coil Roofing Nailers

    The best guns are light, fast, and easy to load.

     
 
 
 
JLC Field Guide to Decking