NEMA WD-6 configurations are generally accepted in North America, Central 
America and the northern portions of South America. Columbia, Ecuador and 
Venezuela use North American power systems. Some WD-6 configurations can be 
used in Japan if they have the proper approvals. JIS C 8303 includes L5-15, 
L6-15, L5-20, L6-20 and L15-20 equivalents.

Most manufacturers with NEMA locking plugs on their equipment use IEC 60309 
connectors for the 230 V / 50 Hz world.

As Dave correctly noted, most European countries would disqualify a typical 
NEMA configuration because there are exposed live plug blades during the 
insertion/removal process. There are a few manufacturers of NEMA twist-lock 
devices that include a sleeve around the plug blades that eliminates the touch 
issue.

Ted Eckert
Compliance Engineer
Microsoft Corporation
[email protected]<mailto:[email protected]>

The opinions expressed are my own and do not necessarily reflect those of my 
employer.

From: Nyffenegger, Dave [mailto:[email protected]]
Sent: Tuesday, February 3, 2015 2:02 PM
To: [email protected]
Subject: Re: [PSES] Using NEMA Receptacles in Europe

According to EN 60204-1 at least, no.  They want IEC.

4.2 Selection of equipment
4.2.1 General
Electrical components and devices shall:
– conform to relevant IEC standards where such exist;

There is also a concern with the NEMA plugs not being touch safe, the blades 
can be hot when partially plugged in, especially the 5-15P.

-Dave

From: Kunde, Brian [mailto:[email protected]]
Sent: Tuesday, February 03, 2015 4:54 PM
To: [email protected]<mailto:[email protected]>
Subject: [PSES] Using NEMA Receptacles in Europe


Can I use a NEMA Inlet Connector (twist lock type) on the back of a product for 
a detachable power cord (provided) and market it in Europe?

Can I use a NEMA Outlet Receptacle (twist lock type) on the back of a product 
to power a unique accessory (power cable provided) and market it in Europe?

I would still use a European Style Plug on the main power cord.

Is this allowed or can’t NEMA plugs/receptacles be used in Europe? How about 
other counties outside of North America?

Thanks,
The Other Brian
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