9798184500270 - commercial load calculation handbook: a practical guide to service entrance sizing, feeder design, and demand factor calculations for commercial buildings di feldman, engr lester s. (4 risultati)

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

PAP. Condizione: New. New Book. Shipped from UK. Established seller since 2000.

Condizione: New. Print on Demand.

Paperback. Condizione: new. Paperback. Are you still losing hours trying to figure out why your commercial service entrance calculation keeps coming out wrong? The Commercial Load Calculation Handbook is the only NEC-based, step-by-step reference that walks electrical contractors, engineers, and licensing exam candidates through every commercial load category in one complete system. Built entirely on the 2023 National Electrical Code, it covers commercial load calculation, service entrance sizing, feeder design, and demand factor methods for every occupancy you will encounter on the job or on the exam. Here is exactly what you get inside: NEC Article 220 service entrance sizing: the complete 8-step worksheet, every demand factor citedLighting load calculation using NEC Table 220.12 unit loads and NEC Table 220.42 tiered demand factorsCommercial receptacle loads: 180 VA per outlet rule, NEC Table 220.44, dedicated equipment circuitsHVAC and motor loads: rooftop units (MCA method), chilled water plants, NEC 220.50 largest-motor ruleCommercial kitchen demand factors: NEC Table 220.56 cooking equipment calculation, step by stepEV charging load calculation under NEC 220.57: the 2023 NEC demand factor most engineers missData center and server room sizing using Power Usage Effectiveness (PUE)Emergency and standby power: NEC Articles 700, 701, 702 with generator sizing56 fully solved worked examples, 98 practice problems, all answers includedComplete mixed-use building case study: floor plan to final service sizeIf you size commercial electrical services, prepare for the Master Electrician exam, or review electrical design submittals, this handbook gives you the exact process to get it right every time. Add it to your reference library today and never second-guess a commercial service calculation again. This item is printed on demand. Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability.…