Wis. Admin. Code § PSC 136.02
In this chapter:
(1) “Accessible” means capable of being reached without removal or major alteration of any part or parts of the permanent structure.
Note: Accessible areas include uninsulated areas which can be drilled and plugged.
(2) “Conversion” means installation of a permanent electric or gas spaceheating system to replace in whole or in part a spaceheating system which used a different fuel.
Note: Conversion includes installation of a dual-fuel or add-on heat pump system but does not include installation of gas or electric heat in new additions to an existing residential structure.
History: Cr. Register, February, 1985, No. 350, eff. 3-1-85.