What power means ? - The energy disipation , How you mesurement electrical resistance - ohms laws, Whats H.V.A.C. means ? - HVAC stands for Heating, Ventilation, and Air Conditioning,, How to calculate the voltage ? - Courrent x resistance, How to calculate resistance  - Voltage/ current, Whats a transformer  - Two or more coils of wire wraped around, whats OSHA - a periodic inspection and thesting a electrical sistems, whats the voltage for a comercial building - 575 v,

electrical concepts

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