;kW:kilowatt, 1000 watts
;kWh/y:kiloWatt-hours per year
;kWh:kilowatt hou == L ==
;lb:pound weight
;lm:lumen, SI unit of luminous flux
;LED:light emitting diode
;LOA:length over all
;LPVC:non-cross-linked or "linear" PVC
;LWL:length on the water line