PSU-Base-NGPSUB-National-Grid-Simulation-Kit-PSU-Base-NGPSUB-The-b-PSU-Base-National-Grid-Simulation-b-kit-is-a-compact-kit-that-helps-to-illustrate-the-way-electricity-is-distributed-throughout-the-country-br-br-Two-boxes-represent-a-step-up-&-step-down-substation-&-the-included-leads-act-as-the-HT-transmission-lines-br-br-The-kit-contains-br-br-2x-Transmission-receiver-boxes-br-2x-Lamp-holders-br-2x-12V-21W-Lamps-br-1x-Set-of-HT-leads-with-touch-pro