2.1 For the purposes of this standard, an electrical interconnection is considered to be adequately made when satisfactory operation is obtained by connecting two different circuits together. In this context, the term "adequate interconnection" does not necessarily imply the transfer of maximum power from one circuit to the other. 2.2 It is advisable to consult the following CE.I. publications, or their UNE equivalents: Publication 65: UNE 20-514 — Safety rules for electronic devices and related devices for domestic use or similar general use, connected to network. Publication 94-4: UNE 20-528 /10 in preparation — Recording and reading systems on magnetic tapes, part four: Recording equipment on magnetic tapes. Publication 98 A: UNE 20-529 /2 — Molded discs and reading devices; Methods for measuring the characteristics of turntables. Publication 268-IB: UNE 20-502 /1 — Equipment for electroacoustic systems, Part One: Generalities -des. Publication 268-3 Publication 268-4 Publication 268-5 Publication 267-6 Publication 268-7 UNE 20-502/3 — Third part: Amplifiers for electroacoustic systems. UNE 20-502/4 - Fourth part: Microphones. UNE 20-502/5 - Fifth part: Speakers. UNE 20-502/6—Part Six: Passive auxiliary elements. UNE 20-502/7 — Seventh part: Headphones and helmets (in preparation). Publication 315: (UNE 20-635, in preparation) — Methods for measurements in radio-electric receivers for various classes of emission.