• The jamb switch shown at top in my OP is pretty big, Eric, and it is for line voltage.
  • Although install costs were a bit higher, the jamb switch has been foolproof.
  • Jamb Switch, Type Narrow Button, Switch Action Momentary/SPDT, Button Dia. 1-1/2 In.x4-3/4 In.

Morris Products 70420 Door Switch

Too low to display

Step 3. Attach the thermostat wire from the previously installed doorjamb switch to the designated low voltage terminals, or pigtails (depending on the specific relay used).

This arrangement is for multiple doorjamb switches utilized to operate a single light fixture, group of light fixtures, or a single light fixture circuit.

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Door Jamb Switch | Hot Rod Wires

NOTE: Depending on the number of doorjamb switches, it may be appropriate to connect all doorjamb switch leads separate from the relay, and use a pigtail to attach to the relay low voltage terminals, or pigtails (depending on the specific relay used).