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Sold as cord with plug
Type: twin wire
12 ft length
Approximate cord size: 3/16" width x 1/4" thickness
SPT-1 Plastic insulation 0.3"
18/2, 18 gauge, 105°
Black SPT-1 Lamp Cord Sets is a pleasing option for vintage bridge lamps. 12 foot length and traditional narrow width fits on most lighting from the 20th century.
Standard insulated 18 gauge wire has 2 parallel copper wires. The positive/hot is smooth, neutral/negative - has ribs. U.L. Listed for table & floor lamps were cord is exposed. Stripped, copper-tipped ends simplify wrapping wire around socket screws. Molded-on plugs are polarized and permanently attached to lamp cord. SPT-1 rating has traditional plastic insulation, see below.
SPT rating designates insulation thickness: thickness-rating provides varying degrees of resistance to heat and abrasion. Higher SPT rating numbers provide more resistance to abrasion and more protection from electric shock.
SPT-1 has traditional, thinner plastic coating than the more recent SPT-2 lamp cord. This traditional size has been used for many years. It easily slips 1/8 IP lamp pipe. SPT-1 is often used on vintage lighting and lamps where threading common size lamp wire through pipe is difficult.
Before making any changes to electrical fixtures and/or lamps:
Disconnect plug/wire from the electrical source.
Turning lamp off will not protect you from electric shock.
If you are unsure how to safely proceed contact a licensed electrician.