02687cam a22004338i 4500 22325619 CSPC 20251006162736.0 211130s2022 enk 001 0 eng 2021058248 9781032193328 (pbk) DLC eng rda DLC CSPC pcc e-uk--- TK3221 .K57 2022 621.3192 K647e 23/eng/20220124 Kitcher, Chris, author. Electrical installation calculations. Advanced / Christopher Kitcher and A.J. Watkins. Ninth edition. 2207 Abingdon, Oxon ; New York, NY : Routledge, 2022. x, 230 pages ; 20 cm. text txt rdacontent unmediated n rdamedia volume nc rdacarrier Use 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. "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"-- Provided by publisher. Electric wiring Mathematics. Electric wiring Standards Great Britain. Buildings Electric equipment Installation Mathematics. Electrical engineers Certifification Great Britain. National Vocational Qualifications (Great Britain) Watkins, A. J. (Albert James), 1925- author. Online version: Kitcher, Chris. Electrical installation calculations Ninth edition. Abingdon, Oxon ; New York, NY : Routledge, [2022] 9781003258728 (DLC) 2021058249 7 cbc orignew 1 ecip 20 y-gencatlg ddc BK 23 621.3192 K647e ENG 2022 0 0 0 ddc 0 0 CSPC CSPC ENG 2025-03-06 0 ENG 621.3192 K647e 2022 029089 2025-03-06 11:55:14 1-2 2025-03-06 BK 0 0 ddc 0 0 CSPC CSPC ENG 2025-10-06 0 ENG 621.3192 K647e 2022 030383 2025-10-06 16:28:10 2-2 2025-10-06 BK 29027 29027