Also, no need for a main breaker in the sub-panel, regardless of the number of circuits. Unless you are running metal conduit, you will need to run a 4 wire feeder. If you are installing a sub-panel in your house, the ampacity of #4 copper or #2 aluminum is 100 amps as determined by a special table in the code.
Your online source for balances, scales & calibration weights @ discount prices. Legal for Trade scales are generally considered those scales which are intended by the manufacturer for use in commercial applications when product is sold by weight. Legal for Trade is also known as NTEP Approved or complies with Handbook 44 and you can learn more here about LFT.
Definition of scale: Concept, device, or procedure used in arranging, measuring, or quantifying events, objects, or phenomenon in any sequence. Scales may be broadly classified as (1) Category scale: Sequence of numbers ...