Commonly Asked Questions

At the Interpower® Group of Companies, we have real people answering the phones. No recorded messages. As a result, we receive a number of interesting product design questions. Usually if a question has been asked by one person, it means that others also have the same question. So to assist you, we have been sharing a few of the commonly asked questions, complete with answers.

Why Adapters Are Not Allowed When Exporting
Ron Barnett, Product Development Manager for Interpower, discusses the purpose of a plug adapter and why OEM's do not use adapters on their commercial products.

Why Some Countries Use Multiple Plug Patterns
Jon Zobel, Molding Supervisor for Interpower discusses why some countries use multiple plug patters.

One IEC 60320 C13 and Two Amperage Ratings?
Interpower's Vice President of Manufacturing, Mike Boyle, discusses why one C13 can have a dual amperage ratings.

Is an Overcurrent Protector Needed for the United Kingdom?
President and Founder of Interpower, Bob Wersen, explains why you still need overcurrent protection for your equipment even though the plug has a fuse.

Cord Sets with Plugs and Connectors
Interpower Vice President of Manufacturing, Mike Boyle, discusses the reasons you should not have a plug to plug or connector to connector cord set.

Why Can’t I Use A NEMA 5-15 Power Cord World Wide?
Interpower’s Bob Wersen explains the reasons why you cannot use a NEMA 5-15 power cord for all the countries around the world.

Specifying the Right Cord Set
Jon Zobel, Molding Supervisor for Interpower explains why it is so important to specify the right cord set.