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What is the "heat of combustion" or "heat value" for sawdust, in BTUs? Over here the average house needs 6 BTU per square foot per Heating Degree Day with a tight house taking about 2.

Over here we use 100 gal or 400 l per person per day. If you know your consumption and its variation you could size a tank so that it almost always delivers what you need.

Lack of trust is costly to everyone.

Warm handle? Do they mean wood handle or a handle that does not conduct heat away from your hand? :D

That's the other thing. Since the phantom voltage really acts like a current source the D'Arsonval readings change with the voltage scale you are on.

And it sort of rhymes!

Thanks, folks. . .

This thing might pull 30 mA at 120vac http://en.wikipedia.org/wiki/Solenoid_voltmeter

Hopefully they eventually converge. I look for the moral of the story, the forest after seeing the trees.

You did well. My wife was a teacher at a top-rated school. Some teachers would help students cheat, the principal tampered with evidence (hid it) that would implicate a student in credit card fraud, three of the students hired an escort and used a baseball bat on her in a rather novel...

I'm hoping the weightlifting can fend off sarcopenia. I can't be 20 again but I might be able to recover the muscles I had back then.

Affirmative on the two way switches and the ground conductor. We use Romex and it measures about 100 pF/ft so 50' of cable gives you 120vac in series with a 5000 pF capacitor. I doubt it supplies enough current to feel a shock, though. IIRC, Fluke and others make Lo-Z meters for this...

Blocked vent pipe...

In general, how did you do that? Did you learn that on the job?

http://lonkilgore.com/freebies/freebies.html and I'd be interested in the time it took to double and triple your strength. I get 25 months and 78 months from an informal survey.

Can you think of other connections between the OP's Q and this answer besides the more generic "Contact Configurations"?

can cause Phantom Voltages which confound troubleshooting efforts. Do you in the UK have this problem?

The deep-cycle batteries need to be sized for consecutive cloudy days. http://www.theecoexperts.co.uk/freebook/appendix-solar-insolation-values-uk

I've never tested this, but the WC drain is designed to carry away a certain number of liters/gallons per minute. This can be tested by running water into the WC at a known flow rate and this flow should be continued for some time to fill the pipe that is upstream of a blockage, if there is...

With only one gutter your outcome may be 50-50. If you can do that repeatedly it becomes more skill than luck. In the movies, deus ex machina and incredibly unlikely events in sequence frequently save the life of the main character but in real life it almost never happens. :(