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Where can I buy the wire box?
You can buy them online or at your local hardware store. Make sure to check the size of the box, so you get one that holds plenty of darts.
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I replaced a 16V transformer for a doorbell, that was mounted on my electric panel box. The old transformer had no ground wire, but the new one does. Can I drill a hole in the box to attach the ground?
No, you would generally need to run the equipment grounding conductor (EGC) in the same cable as the line and neutral conductors that supply the transformer in its new location,...
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In the article, “How to test a ground rod” under reducing ground system resistance it states to place an additional rod 8ft from an 8ft long rod. This is incorrect. It should be twice that.
In NEC (2014): 250.53(A)(3) and 250.53(B) seem to say additional electrode rods shall "not be less than 1.83 m (6 feet) apart". However, it is noted that the "paralleling efficiency...
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Is there any difference between the resistance value of base emitter and base collector?
Yes - voltage drop is a little higher for the base to emitter than for the base to collector.
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Can you reverse insulin resistance?
Yes. If you reduce your intake of carbs and exercise regularly, you may be able to reverse your insulin resistance. I also suggest you talk to your doctor about available...
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Can I use a speaker wire for a TV antenna?
This is an interesting idea, and it could theoretically work for the same reason that the paper clip solution works. Unfortunately, much like the paper clip solution, you're very unlikely...
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Do some receptacles have a ground wire to which to connect the new ground wire (so no need to connect copper to a ground screw)?
Interior ceiling lights usually have no ground wire connection, unless there is a receptacle in addition to the socket. Remember that the "hot" (black or red) wire goes to the...
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What causes the errors which make the resistance of unknown variables?
The incorrect reading at the meter scale with respect to null deflection of the galvanometer causes variable in the resistance. Also, the supply of current for longer time overheats the...
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How do I calculate the unknown resistance of wire, given 1 ohm as a fixed resistance, using a meter bridge?
By using a meter bridge circuit. The known standard resistor of 1 ohm will be connected on the left hand gap of the meter bridge, and the unknown resistance will...
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How do I to convert a 4-wire dual coil pickup to a 2-wire pickup?
You can use just two of the wires or more, usually 3, as you most likely have 4 insulated wires and one bare uncovered earth wire. Humbuckers have either 2...
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