[Shop-talk] temp controlled light switch

[Chris Kantarjiev]

Skip Albright wrote:
> My neighbor is going south for the winter and wants a switch that 
> will light a lamp when (if) the house falls below a set temp like 50F.

You can get 120V thermostats and hardwire them; they fit into a standard 
outlet box. That's the most flexible solution.

There are gizmos that plug into a wall socket and have a thermo switch 
in them, typically set for something like 38 degrees to keep things from 
freezing. Here's one:

http://www.morelectric.com/pipe.htm

This one's cheaper:

http://www.petvetsupply.com/equmfrm022.html

This one's a lot more flexible:

http://www.amazon.com/gp/product/B000E7NYY8/ref=pd_cp_hi_1?pf_rd_p=277661601&pf_rd_s=center-41&pf_rd_t=201&pf_rd_i=B0000DGA8P&pf_rd_m=ATVPDKIKX0DER&pf_rd_r=05B7HXZTNPKDJNNSGWVE