These materials were transfered from the book to this page to keep the book within the 800-page limit.
[a] The American Society of Mechanical Engineers, Reference Designations for Electrical and Electronics Parts and Equipment, https://www.asme.org/codes-standards/find-codes-standards/y14-44-reference-designations-electrical-electronics-parts-equipment/2008/drm-enabled-pdf
[c] Robert S. Mroczkowski, Connnector and interconnection technology, chapter 4 of Electronic Packaging and interconnection handbook third edition, McGarw-Hill
[e] Bead Electronics, Choosing the Right Base Metal for Custom Connector Pins, https://www.beadelectronics.com/blog/choosing-the-right-base-metal-for-custom-connector-pins
[f] Bead Electronics, Plating for Electronic Connector Pins and Contacts, https://www.beadelectronics.com/blog/plating-for-electronic-connector-pins-and-contacts
[g] AMP, Golden Rules:Guidelines For The Use Of Gold On Connector Contacts, https://www.ramoem.com/uploads/4/4/0/7/44075859/gold_rules.pdf
[h] AMP, The Tin Commandments: Guidelines For The Use Of Tin On Connector Contacts, https://www.ramoem.com/uploads/4/4/0/7/44075859/tin_commandments.pdf
[i] Harting. Contact plating material options for electronic connectors, https://www.harting.com/sites/default/files/2019-03/Contact-plating-material-options-for-electronic-connectors_0.pdf
Samtec, David Scopelliti, The pain of fretting corrosion, https://suddendocs.samtec.com/productspecs/fretting-corrosion.pdf
Molex, Gold or Tin versus Gold and Tin?, https://experience.molex.com/gold-or-tin-versus-gold-and-tin/
AMP/Tyco/TE, The Tin Commandments: Guidelines For The Use Of Tin On Connector Contacts, https://www.ramoem.com/uploads/4/4/0/7/44075859/tin_commandments.pdf
[s] Yung-Li, World Safety Marks, http://www.yung-li.com.tw/en/info/safety_marks.htm#asia
[t] Connector Supplier, Standards for Automotive Connectors Differ in Europe and the US, https://connectorsupplier.com/standards-automotive-connectors-eu-us/
[aa] Phoenix Contact, The ultimate question: Are ferrules necessary?, https://dam-mdc.phoenixcontact.com/asset/156443151564/3518fd35347bc477bc23aaef7e7bc16e/7904.pdf
[ab] Penn Engineering, Fasteners For Mounting Into Printed Circuit Boards, https://www.pemnet.com/fastening-products/fasteners-for-mounting-into-printed-circuit-boards-2/
[ac] Thomas & Beets, Color-Keyes Compression, http://www.tnb.com/pubint/docs/colorkeyed_spec.pdf
[ad] Robert Hult, Renaissance of the Edge Connector, https://connectorsupplier.com/080712-tech-article-hult-edge-connectors/
[ae] HRB, "What Is a RAST Connector?", https://www.hrb-connector.com/What-Is-a-RAST-Connector-id3420945.html
[af] Molex, Gold or Tin versus Gold and Tin?, https://experience.molex.com/gold-or-tin-versus-gold-and-tin/
[ag] Romex, Testprobes, Testfixtures en Testsystemen., https://www.testprobes.nl/testprobes-testpennen/selecteer-de-juiste-probe/
[al] TE Connectivity, TE Connectivity's Dynamic Series as a high performance alternative to Euro Style Terminal Blocks, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=1-1773885-7_DYNAMIC_SERIES_WHITEPAPER&DocType=DS&DocLang=EN
[am] Raynet, RAYNET Power connector, https://www.raynet-uk.net/technical/powercon.htm
[an] HRB, "What Is a RAST Connector?", https://www.hrb-connector.com/What-Is-a-RAST-Connector-id3420945.html
[ap] REOTEMP Instrument Corp., Thermocouple Color Codes by Country, https://www.thermocoupleinfo.com/thermocouple-color-codes.htm
[aq] Crypto museum, Enigma Steckerbrett, https://www.cryptomuseum.com/crypto/enigma/i/sb.htm
Frederick Van Veen, The General Radio Story, page 10, https://www.ietlabs.com/pdf/GR_books/The%20General%20Radio%20Story,%20van%20Veen.pdf
HIRSCHMANN RADIOTECHNIK, Stecker mit Klemmvorrichtung fuer den Anschlussdraht im Isolierkoerper, Patent DE481293C, https://depatisnet.dpma.de/DepatisNet/depatisnet?action=bibdat&docid=DE000000481293A
HIRSCHMANN RADIOTECHNIK, Steckerstift fuer elektrische Stecker, https://depatisnet.dpma.de/DepatisNet/depatisnet?action=bibdat&docid=DE000000704450A
Richard Hirschmann GmbH & Co., Unternehmensprofil, Feb 2000.
The General Radio Experimenter, Dec 1963, A new plug for patch cords, page 14, https://www.ietlabs.com/pdf/GR_Experimenters/1963/GenRad_Experimenter_Dec_1963.pdf
[ar] E-Z-Hook, Guide to banana plugs, https://e-z-hook.com/blog-guide-to-banana-plugs/
Mueller Electric, New banana guide, https://www.muellerelectric.com/docs/documents/38/New%20banana%20guide.pdf
Wikipedia, Banana connector, https://en.wikipedia.org/wiki/Banana_connector
[as] PowerSafe, Powersafe Single Pole Connectors, https://usa.p3connectors.com/single-pole-connector/
[au] National Park Service, Site of the First Telephone Exchange, https://www.nps.gov/subjects/nationalhistoriclandmarks/site-of-the-first-telephone-exchange.htm
[av] Science Museum Group, Jones 50-line switchboard, 1879, https://collection.sciencemuseumgroup.org.uk/objects/co33123/jones-50-line-switchboard-1879
[aw] Paul Neill, Bell Labs, Fifty Years of Telephone Plugs.
[ax] Wikipedia, Arnold Reinhold, Rear panel of a 1939 RCA model 45EM vacuum tube desktop AM radio with a female RCA jack, https://en.wikipedia.org/wiki/RCA_connector#/media/File:RCAradio45EMback.JPG
[ay] NIST, SI Unit rules and style conventions, https://physics.nist.gov/cuu/Units/checklist.html
[az] Hazeltine Research, Inc. v. Dage Electric Co. 165 F.Supp. 226 (S.D.Ind. 1958) 118 U.S.P.Q. 397 No. IP 56-C-15. United States District Court, S.D.
Indiana, Indianapolis Division. July 31, 1958.
[bb] Introduction to Microwaves by Gershon J. Wheeler, 1963.
Microwaves 101, Why Fifty Ohms? https://www.microwaves101.com/encyclopedias/why-fifty-ohms
[bc] Megaphase, "Technical Reference for RF Interconnects", https://www.megaphase.com/wp-content/uploads/2018/05/MP_Technical_Reference_Manual_9x12web.pdf
Tru corp. "TRU Corporation_TRUflex_PWR_Series_Brochure.pdf" https://www.richardsonrfpd.com/docs/rfpd/TRU%20Corporation_TRUflex_PWR_Series_Brochure.pdf
FT-RF "RF Connector MAX Power Vs Frequency", http://www.ft-rf.com/front/bin/ptdetail.phtml?Part=RF-Connector-MAX-Power-Vs-Frequency
Huber & Suhner "Admissible RF power for various connectors", http://empselector.hubersuhner.com/connectorrfpower/index.php
A H Systems "Connections in RF testing" https://www.ahsystems.com/articles/Connections-in-RF-testing.php
SV Microwave "High power components", https://www.svmicrowave.com/sites/default/files/documents/HighPowerComponentsBrochure_Reduced.pdf
A R, "Application Guide to RF Coaxial Connectors and Cables" http://f1chf.free.fr/fichiers/RF%20Connector%20Guide.pdf
[be] ITT, Interconnect Solutions History, https://web.archive.org/web/20120309015738if_/http://www.ittcannon.com/uploadedFiles/Product_PDFs/History.pdf
Paul Graves-Brown, Plugging in: a brief history of some audio connectors, https://www.jstor.org/stable/26160237
[bf] SEA wire and cable, History of the Mil-DTL-5015 Connector, https://www.sea-wire.com/history-of-the-mil-dtl-5015-connector/
Douglas Electrical, MIL-DTL-5015 Connectors: A Brief History of Evolution, https://douglaselectrical.com/blog/mil-dtl-5015-vs-mil-dtl-38999-connectors/
[bg] 100 years history of SOURIAU SUNBANK Connection Technologies, https://www.youtube.com/watch?v=AhWlAE11P-c
[bh] Ed Wiseman & Gene Rubel, A historical overview of cylindrical connector specifications, Edward's Publishing, Connection Technology, June 1986
[bi] Connector Tips, M8 vs. M12 Connectors: How to select and implement, https://www.connectortips.com/selecting-and-implementing-m8-and-m12-connectors/
[bo] David Brearley, Connector Tips, Modular Jack: A Historical Perspective, https://www.connectortips.com/mighty-modular-jack/
US patent US3699498A, Devices for making electrical connections, https://patents.google.com/patent/US3699498A/en?oq=US3699498A
[bq] Tripp Lite, USB Port Color Coding, https://tripplite.eaton.com/products/usb-connectivity-types-standards
[br] GearSpace, Cinch-Jones Connector - What's the deal?, https://gearspace.com/board/geekzone/673980-cinch-jones-connector-whats-deal.html
Bel Fuse, The Cinch History, https://www.belfuse.com/resources/Brochures/CinchConnectivitySolutions/ CompanyBrochures/br-CCS-Cinch100Story.pdf
[bs] American Power Conversion Corp. (APC), The Myth of the Neutral Wire, https://www.eetimes.com/the-myth-of-the-neutral-wire/
[bt] Gizmodo, Why Every Country Has a Different F#$%ing Plug, https://gizmodo.com/giz-explains-why-every-country-has-a-different-f-ing-5391271
[bu] World Standards, Plug & socket types, https://www.worldstandards.eu/electricity/plugs-and-sockets/
[bv] Wikipedia, CEE 7 standard AC plugs and sockets, https://en.wikipedia.org/wiki/CEE_7_standard_AC_plugs_and_sockets
[bw] ProSiundWeb, History of the "California connector" used in mid-sized distros?, https://forums.prosoundweb.com/index.php?topic=139311.0
[bx] Arthur Hansen, A Brief Guide to Pin-and-Sleeve Devices, https://www.ecmweb.com/content/article/20892323/a-brief-guide-to-pinandsleeve-devices
Raj Desai of LAPP, Benefits Of Pin And Sleeve Connectors Over Standard Twist Lock, https://www.lapptannehill.com/pub/media/wysiwyg/pdf/white-papers/WhitePaper_Pin-Sleeve-Connectors.pdf
Industrial and multiphase power plugs and sockets, https://en.wikipedia.org/wiki/Industrial_and_multiphase_power_plugs_and_sockets
IEC 60309, https://en.wikipedia.org/wiki/IEC_60309
[ca] David Henry - Learn Stage Lighting, The Complete Guide To Stage Lighting Power Connectors & Plugs, https://www.learnstagelighting.com/the-complete-guide-to-plugs/
[cc] FOCC fiber, 16 Types of Fiber Optic Connectors to Choose From, https://www.focc-fiber.com/info/16-types-of-fiber-optic-connectors-to-choose-f-36860138.html
[cd] IEEE, Graphic Symbols for Electrical and Electronics Diagrams, https://standards.ieee.org/ieee/315/515/
[ce] The American Society of Mechanical Engineers, Reference Designations for Electrical and Electronics Parts and Equipment, https://www.asme.org/codes-standards/find-codes-standards/y14-44-reference-designations-electrical-electronics-parts-equipment/2008/drm-enabled-pdf
[cf] David Scopelliti, Shaken, not stirred, http://suddendocs.samtec.com/notesandwhitepapers/samtec-shaken-not-stirred.pdf
[cg] Power Assemblies, How To Install A Camlock Connector On A Generator Feeder Cable, https://www.youtube.com/watch?app=desktop&v=6hMVCsriAPA
[ci] AMP, The Tin Commandments: Guidelines For The Use Of Tin On Connector Contacts, https://www.ramoem.com/uploads/4/4/0/7/44075859/tin_commandments.pdf
[cj] Fuchs, Using Connector Lubricants to Improve Reliability and Longevity, https://www.nyelubricants.com/improve-connector-reliability