What is the voltage rating and current capacity of this power extension cord?

The power extension cord is rated to carry 125 volts at 13 amps.

What is the length of the StarTech.com PAC1013 Power Extension Cord?

The length of the StarTech.com PAC1013 Power Extension Cord is 3 feet.

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StarTech.com PAC1013 3 ft Power Extension Cord - NEMA 5-15R to NEMA 5-15P - 16 AWG Power Extension Cable Cord - 125 Volts at 13 Amps - SJT - 3ft

Extend your power cord by 3ft
3ft 5-15 Extension Cord / 3 ft NEMA Extension Cord / AC Power Extension Cord / 3 feet Power Extension Cable / NEMA 5-15R to NEMA 5-15P
Saves space and conveniently connects large power adapters so you can maximize all your power or surge strip outlets
Rated to carry 125V at 13A