56.250 inches nominal width, 208.0 volts minimum and 480.0 volts maximum ac voltage rating, 50.0 hertz minimum and 60.0 hertz maximum frequency rating, operating electrical power source relationship, single item w/housing enclosure feature, power;frequency test type for which designed

A_set_(bank)_of_electrical_elements_that_are_passive_(resistive,_inductive,_capacitive)_or_active_(motors,_batteries)._they_are_usually_located_adjacent_to_each_other_to_form_a_consolidated_set_of_any_of_these_elements_or_any_combination_of_them._a_load_bank_is_used_to_replace_distributed_or_dispersed_load_elements_contained_in_a_power_distribution_system_or_electrical_network_for_the_purpose_of_providing_a_concentrated_load._a_load_bank_contains_all_the_essential_electrical_characteristics_necessary_to_terminate_the_circuit_and_functions_in_the_same_manner_as_the_load_which_it_is_intended_to_replace._this_description_necessarily_includes_a_bank_of_light_bulbs_or_cone_heating_elements_where_energy_conversion_is_primarily_in_the_form_of_heat_although_visible_radiant_energy_is_the_natural_result_of_incandescent_heating._load_banks_are_intended_to_cover_a_specific_range_of_characteristics_and_normally_operate_at_dc_or_at_power_frequencies_50,_60,_or_400_hz_ac._load_banks_may_be_uninstrumented_or_complete_with_integral_instrumention_and_may_also_be_furnished as skid or trailer mounted. Excludes:test set, electrical (as modified). See also dummy load, electrical.