Re: annoying problem with powerlines.
Reply #22 –
Well, the error's got to be somewhere - so let's check that one, too, shall we? 
That won't work for anyone using your menuconf.tab since you haven't defined the key anywhere. You need to add this line to your special tools section:
toolbar[9][12]=general_tool[14],,l,128
NOW WAIT A MINUTE...
Could it be that you tried to build that transformer in pause mode? When I do that, instead of a transformer, only a power line is shown - until I unpause the game. Then it automatically changes into a transformer immediately.