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Other stories by Rex%20Cauldwell

  • Quick Fix for a Noisy Circulation Fan

    Q. My client's metal fireplace is supplied by a makeup air system with a built-in circulation fan. This fan - which plugs into an accessible outlet - is triggered by a heat sensor in the fireplace. While effective, it's also very loud. To reduce the noise, I'd like to replace the fan's on/off...

  • 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...

  • Limits on Outlets

    Q. How many receptacles can I put on a 15-amp and a 20-amp circuit?

  • Kitchen & Bath: Venting With Air-Admittance Valves

    Venting with air-admittance valves; undercounter appliances; showerheads

  • Supplying Power to an Outbuilding

    Q. What's the right way to deliver power to an outbuilding? I'd like to have a panel capable of powering a small shop.

  • Q&A: Detecting Live Romex

    Q. I'm a remodeler and often work around existing wiring. What's the most practical and inexpensive tool for detecting live current in either romex or wire in a metal conduit? Can you detect current inside the conduit without opening the conduit?

  • Q&A: Insulating Around Knob-and-Tube

    Q. I am remodeling a 1920s house that has the original knob-and-tube wiring. I would like to blow cellulose into the stud cavities but am guessing that it's not safe to do that with the exposed wiring in the cavities. What does code say?

  • Q&A: Placing Wall Receptacles

    Q. An old house I'm working on has too few wall outlets to meet code. What are the rules for spacing and positioning of new outlets? Can I place them in the baseboard trim?

  • Using A Volt-Ohm Meter

    A master electrician describes how to trace wires, identify circuits, and diagnose common job-site electrical problems.

  • Q&A: Flickering Lights

    Q. I'm doing some wood siding repairs on a house, and every time I hit the trigger on my chop saw, the lights in the house flicker. The power company says the problem is with the house not their lines. But the lights in the house across the street flicker