R 333.5495 Instructions; labels and warnings.

Rule 495. (1) For each tube to which R 333.5492 to R 333.5495 are applicable, the registrant shall ensure the availability of appropriate safety instructions and instructions for the use of the tube. These instructions shall include the specification of a power source for use with the tube. (2) An enclosure or tube shall have tags or labels inscribed on or permanently affixed , which identify the intended polarity of the terminals and shall include either of the following: (a) In the case of tubes designed primarily to demonstrate the heat effect, fluorescence effect, or magnetic effect, a warning that application of power in excess of that specified may result in the production of x-rays in excess of allowable limits. (b) In the case of tubes designed primarily to demonstrate the production of x- radiation, a warning that this device produces x-rays when energized. (3) The tag or label required by subrule (2) of this rule shall be located on the tube or enclosure so as to be readily visible and legible when the product is fully assembled for use. ELECTRON MICROSCOPES