Glossary of terms used in a decorators world.There are 108 entries in this glossary.
Service Parallel Thermoplastic. Commonly referred to as zip or lamp cord. There is SPT1, SPT2, and SPT3. The number refers to the thickness of the insulation in 64ths of an inch. SPT1 is often called lamp cord. SPT1 usually has 18 gauge wire. SPT2 is commonly available in 16 or 18 gauge. SPT3 is available as large as 10 gauge.