What Is a Positive Off
Positive-off Means on the Base and Having a Portion Which Engages the First Contact Arm When the Variable Control Means Is Set in an Extreme Position to Hold...
positive-off means on the base and having a portion which engages the first contact arm when the variable control means is set in an extreme position to hold the first contact arm away from the second contact arm.
Which handheld power tools may only be equipped with positive on off control switch?
The following hand-held powered tools may be equipped with only a positive “on-off” control switch: platen sanders, disc sanders with discs two inches or less in diameter; grinders with wheels two inches or less in diameter; routers, planers, laminate trimmers, nibblers, shears, scroll saws and jigsaws with blade …
Which hand-held power tools must be equipped with a momentary on off switch?
The following hand-held powered tools must be equipped with a momentary contact “on-off’ control switch: drills, tappers, fastener drivers, horizontal, vertical and angle grinders with wheels larger than 2 inches in diameter, disc and belt sanders, reciprocating saws, saber saws, and other similar tools.