Gives dimensions and tolerances for electronic tube and valve bases, holders and caps, together with the relevant gauges and gauging procedure, to ensure interchangeability. Also includes recommended practice for the preparation of drawings of electronic tubes and valves. This is a loose-leaf publication and supplements, containing new or revised sheets, are issued from time to time.
1. Scope
This Specification applies to electrical equipment used on, or in close connection with, woodworking
machinery for use in industrial applications and designed to be installed and employed in accordance with the rules of Part I of this Code.
It does not apply to
(a) small machines of the hobby type intended for use only in domestic or similar occupancies;
(b)…
