Re: [PSES] Questions on GFCI & GFEP

Thu, 16 Feb 2017 08:09:12 -0800

In North America, UL 943 covers GFCIs, which trip somewhere in the 4-6 mA range. UL 1053 covers GFEPs, which are not for personnel protection and can have much higher trip settings.
Mike Sherman
Graco Inc.

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------ Original Message ------

From: Vincent Lee
To: [email protected]
Sent: February 15, 2017 at 8:49 PM
Subject: [PSES] Questions on GFCI & GFEP

Hi all,

Good evening,

May I know what are the difference between Ground Fault Current Interrupter (GFCI) and Ground Fault Equipment Protector (GFEP) in terms of safety features (e.g. response time, trip current), usage and operation principle?

What are the common industry standards for GFCI and GFEP ?

Is there any requirement to maintain, calibrate and check for operation for GFCI and GFEP?

Hope to hear from you soon. Thank you very much.

Vincent 

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