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Download 315-1975 (R1993) IEEE Graphic Symbols for Electrical and PDF

Read Online or Download 315-1975 (R1993) IEEE Graphic Symbols for Electrical and Electronics Diagrams (Including Reference Designation Letters) Bound with 315A-1986 (R1993) Supplement to IEEE Std 315-1986 PDF

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Additional info for 315-1975 (R1993) IEEE Graphic Symbols for Electrical and Electronics Diagrams (Including Reference Designation Letters) Bound with 315A-1986 (R1993) Supplement to IEEE Std 315-1986

Example text

1). 2 — Symbols for single-line (one-line) diagrams appear at the left, symbols for complete diagrams at the right, and symbols suitable for both purposes are centered in each column. 1. 2. 1A: The asterisk is not part of the symbol. Always add identification within or adjacent to the rectangle. 3 Application: with adjustable contact. 11 Resistive termination Commonly used in coaxial and waveguide diagrams. 12A: Use only if essential to indicate special characteristic. 2A — Capacitors may be represented by either of two methods.

A gas-filled device may be indicated by a dot within the envelope symbol. , cathode-ray tube, iconoscope, image orthicon, vidicon, X-ray tube, etc. 2. 2 Split envelope If necessary, envelope may be split. 3 Application: gas-filled envelope The gas-recognition symbol (dot) may be located as convenient. 4 Application: liquid-filled envelope The liquid-recognition symbol may be located as convenient. 11 Shield Shielding Normally used for electric or magnetic shielding. 1A: If essential to show type of shielding add E for electric and M for magnetic shielding.

A gas-filled device may be indicated by a dot within the envelope symbol. , cathode-ray tube, iconoscope, image orthicon, vidicon, X-ray tube, etc. 2. 2 Split envelope If necessary, envelope may be split. 3 Application: gas-filled envelope The gas-recognition symbol (dot) may be located as convenient. 4 Application: liquid-filled envelope The liquid-recognition symbol may be located as convenient. 11 Shield Shielding Normally used for electric or magnetic shielding. 1A: If essential to show type of shielding add E for electric and M for magnetic shielding.

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