{"id":8718,"date":"2025-06-04T09:09:26","date_gmt":"2025-06-04T01:09:26","guid":{"rendered":"https:\/\/totcables.com\/?p=8718"},"modified":"2025-06-04T09:11:46","modified_gmt":"2025-06-04T01:11:46","slug":"difference-between-spt-1-and-spt-2-wire","status":"publish","type":"post","link":"https:\/\/totcables.com\/?p=8718","title":{"rendered":"Difference Between SPT-1 and SPT-2 Wire"},"content":{"rendered":"

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When choosing lamp cord or parallel power cord for low-voltage applications like lamps, holiday lights, or small appliances, you\u2019ll often come across SPT-1 wire<\/strong> and SPT-2 wire<\/strong>. While both are widely used in residential and commercial settings, they differ in construction and performance. Understanding these differences helps ensure safety, durability, and proper application.<\/p>\n

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What Does SPT Stand For?<\/h2>\n

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SPT<\/strong> stands for ‘Service Parallel Thermoplastic<\/strong>.’ These wires are typically flat (parallel conductors), flexible, and commonly used for light-duty indoor or outdoor applications.<\/p>\n

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The number that follows \u2014 SPT-1 or SPT-2 \u2014 indicates the thickness of the insulation<\/strong> and its current-carrying capacity<\/strong>.<\/p>\n

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difference between spt1 and spt2 wire

difference between spt1 and spt2 wire<\/p><\/div>\\n<\/p>\n

Key Differences Between SPT-1 and SPT-2<\/h2>\n

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Feature<\/th>\n

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SPT-1 Wire<\/strong><\/th>\n

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SPT-2 Wire<\/strong><\/th>\n

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Insulation Thickness<\/strong><\/td>\n

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~0.030 inches (0.76 mm)<\/td>\n

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~0.045 inches (1.14 mm)<\/td>\n

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Amp Rating<\/strong><\/td>\n

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Typically up to 7 amps<\/td>\n

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Typically up to 10 amps<\/td>\n

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Durability<\/strong><\/td>\n

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Lighter insulation, less durable<\/td>\n

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Thicker insulation, more durable<\/td>\n

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Weight & Flexibility<\/strong><\/td>\n

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Lighter and more flexible<\/td>\n

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Heavier, less flexible<\/td>\n

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Outdoor Use<\/strong><\/td>\n

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Limited (short-term only)<\/td>\n

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Better for extended outdoor use<\/td>\n

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Cost<\/strong><\/td>\n

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Lower cost<\/td>\n

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Slightly higher cost<\/td>\n

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