Hercules offers premium stat wire which is a class 2 power-limited circuit cable for use in thermostat control applications.

Specifications: 

SKU Description Prod Info Price/Units Quantity
PW185 18/5 PLENUM WIRE 250'/RL WHITE RL
PW186 18/6 PLENUM WIRE 250'/RL WHITE RL
PW188 18/8 PLENUM WIRE 250'/RL WHITE Product_Details RL