My TPO is totally dependent on the number of extension cords from the next room... one for the filaments, one for the screen supply, one or two for the plate ......... Don WA4NPL Quoting Carl <km1h at jeremy.mv.com>: > Swap them for a litter of 4-1000A's and then hou can heat and light > at the same time. > > Carl > KM1H