Hi Chris,
According to page 31 of the
brochure, the switch accepts up to a #18 gauge wire ans is suitable for a 6 amp load at 125 volts or a 3 amp load at 250 volts. I recommend use of a solid conductor for this switch - but you could use a stranded wire type with similar results if you "tin" (solder) the wires first. I would not recommend the use of stranded wires with this switch. If you attempt to push a larger wire into the terminal opening, you could damage the spring metal contacts - rendering them inoperable.
The National Electrical Code limits the smallest sized wires installed in buildings to a #14 gauge wire. This is two sizes greater than the 18 gauge wire allowed by this switch. For this reason, the switch is designed to interconnect fixture wires only - not for use between the home wiring and the fixture wires.
If you need to connect a switch between the home wiring and the fixture, you should use a switch that has wire leads on it already, or install a short length of the smaller 18 gauge wire with an insulation rated for at least the voltage of the circuit (thermostat, doorbell, network, telephone wire is NOT acceptable) into the switch, and use a wirenut to connect the home wiring to the 18 gauge wires.
I hope this helps & good luck!
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