This tech tip is based on a recent podcast with Eugene Silberstein from ESCO Group. Even though we cover a lot of similar ground, this tech tip is unique and comes with several links that could help anyone who wants to start or improve an internal training program. If you haven't yet listened to “How […]

The suction line accumulator is designed to keep liquid refrigerant from entering the compressor while still allowing for oil return. The trouble is that if the oil return port/screen clogs, the accumulator can fill with oil and actually cause the compressor to fail. In addition to that, it can hold contaminated oil in a burnout. […]

Connecting more than one wire on or under a single lug or connection point is called “double lugging,” and it is ONLY allowed in line voltage wiring under one condition, according to NEC 110.14: If the terminal, lug, or connector is specifically rated for more than one wire In the case of a conductor splice, […]