02346cam a22003738i 450000100090000000300050000900500170001400800410003101000170007202000250008904000290011404200080014304300120015105000220016308200370018510000290022224500930025125000190034426300090036326400560037230000270042833600260045533700280048133800270050950506180053652003350115465000340148965000470152365000620157065000580163265000550169070000520174577601750179722325619CSPC20251006162736.0211130s2022 enk 001 0 eng  a 2021058248 a9781032193328q(pbk) aDLCbengerdacDLCdCSPC apcc ae-uk---00aTK3221b.K57 202200a621.3192bK647e223/eng/202201241 aKitcher, Chris,eauthor.10aElectrical installation calculations.pAdvanced /cChristopher Kitcher and A.J. Watkins. aNinth edition. a2207 1aAbingdon, Oxon ;aNew York, NY :bRoutledge,c2022. ax, 230 pages ;c20 cm. atextbtxt2rdacontent aunmediatedbn2rdamedia avolumebnc2rdacarrier0 aUse of calculators -- Simple transposition of formulae -- SI units -- Conductor colour identification -- Alternating current circuit calculations -- Waveform and phasor representation of alternating current and voltages -- Parallel circuits involving resistance, inductance and capacitance -- Power-factor improvement -- Three-phase circuit calculations -- Voltmeters and ammeters: changing the use and extending the range -- Alternating current motors -- Application of diversity factors -- Cable selection -- Lighting calculations -- Mechanics -- Miscellaneous examples -- Photovoltaic calculations -- Formulae. a"This new edition gives ring final circuit calculations, test procedures and interpretation of results, testing of 3 phase motors, risk level calculations for surge protection, and updated PV calculations to include self consumption. For Level 3 courses, updated with the 18th Edition of the Wiring Regs"--cProvided by publisher. 0aElectric wiringxMathematics. 0aElectric wiringxStandardszGreat Britain. 0aBuildingsxElectric equipmentxInstallationxMathematics. 0aElectrical engineersxCertifificationzGreat Britain. 0aNational Vocational Qualifications (Great Britain)1 aWatkins, A. J.q(Albert James),d1925-eauthor.08iOnline version:aKitcher, Chris.tElectrical installation calculationsbNinth edition.dAbingdon, Oxon ; New York, NY : Routledge, [2022]z9781003258728w(DLC) 2021058249