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I had a Munchkin boiler installed a couple years ago with 3 zone valves. Only one of the zones was initially connected -- to baseboards on my main floor. The other 2 zones were intended for a future 2nd floor addition and finished basement. I've now had the 2nd floor addition framed...

Homeowner here, wiring a new addition... I feel like there's probably an easy answer to this question, but I haven't had much luck finding it here or on google: if I have multiple cables running up a 2x4, what is the best (inspector-approved) way to attach them and still keep them 1 1/4" from...

I'm wiring an addition and I think I understand what the inspector will want to see as far as outlets, switches and regular light receptacles. But, how do I rough in the wiring for a bathroom fan? Now that I think about it, I guess the same question applies to recessed lighting. Do I install the...

I had a radiant heating system installed just over two years ago (Munchkin boiler to radiant baseboards). I have had 3 failed zone valve actuators during this time. They were all the Caleffi Z-one Z151000 model. The mechanism continues to work (it opens the valve when the thermostat tells it...

I'm installing a sub-panel for a new addition. My load calc suggests a 50amp load for the sub-panel. So, I'm planning a 50amp feeder breaker in the main panel with #6 feeder wire to the sub-panel. But, the local retail stores don't carry (Siemens) panels smaller than 100amp. I checked with the...

I need to wire a new 2nd floor addition. Since I'll have several circuits on the second floor and the (200amp) main panel is in the basement, I'm planning to have a sub-panel on the 2nd floor feed the new circuits. I'm wondering if the following plan makes sense? Here are the stats: - 3...

I'm remodeling and adding a second floor bathroom. King County (Seattle) plumbing code says that a 3" stack can accommodate 48 DFUs, which is more than enough for me. However, there is a footnote that states: "Only four water closets or six-unit traps allowed on any vertical pipe or...