What is the difference between J994HKA-1 and J994HKA-1C

meaning it meets the specific fire and smoke safety standards required for installation in building ceiling spaces used for air return

or if the unit is "short cycling" (shutting down before the thermostat is satisfied)

Common Questions: What is the maximum switching voltage for the contacts

Intermatic T101 Timer Els PW 17895 What is the difference betweenFor high capacity load scheduling in commercial or residential environments, the Intermatic T101 mechanical time switch remains the industry standard for durability and ease of installation. This 24 hour dial timer is engineered with a heavy duty 40 amp resistive rating, making it a reliable solution for governing electric water heaters, indoor lighting arrays, and HVACR equipment. Operating on a 120V AC 60Hz supply, the unit features a single pole