0
votes
3answers
45 views

Exactly measure lumber for cabinetry

I am working on a bookshelf which, due to the way I am building it, requires some of the pieces to be exactly measured to within 1/64th over 4-5 foot lengths. Obviously no yardstick is so accurate. ...
5
votes
1answer
120 views

How can I measure lengths greater than 50' to a precision of less than 1/16"?

Is it possible to measure a length greater than 50' to a precision less than 1/16"? If so, what tools and/or techniques should I use to do so?
2
votes
3answers
309 views

Inferring wire gauge from cable size

Is there any way to infer the gauge of the wires inside an NM cable from the size and shape of the cable? I reckon a round cable is generally -/3 W/G and a flatter cable -/2 W/G, but I do not know how ...