A list of all electrical equipment in each greenhouse
and accessory building should be made, and should
include the size, type, HP, amperage, voltage, and
phase of all motors, and the number and wattage
of all lamps.
Identify those which must be operated
during an emergency and, before purchasing a
generator, go over the details of the installation with
an electrician and a representative of the power
company. The local building code and National
Electrical Code must be followed. The following
example illustrates how to size a standby generator