Quote:
Originally Posted by MazdaMatt
As for the "obscure square" screw used to deter tampering tinkerers... its called a robertson (as opposed to phillips) and its a Canadian thing - not some obscure oddball fastener. And we'll have you know that it is a superior screw in every way  |
I just thought I'd burst your bubble and remind everyone that in all circuit breaker panels in the
US, they use robertson screws to connect all the grounds to a common bar. Sorry
.
In fact I think almost all countries that use 110/220V or 115/230V setups have this "unique" screw.
