I just looked at a hospital-grade cord, and it had solid, nickel-plated blades _with_ a hole.
Is the hole related to plug retention in the outlet? I thought I remembered seeing small bumps on the mating blades inside the wall outlet. On Wed, 21 Oct 1998 08:15:52 -0800, [email protected] wrote: >------------------------ > From: [email protected] > Subject: Re: Plugs for China > Date: Tue, 20 Oct 1998 16:06:42 -0800 > To: EMC-PSTC <[email protected]>, Millsaps Cindy-G14342 > <[email protected]> > > >> >> >> ------------------------ >> From: Millsaps Cindy-G14342 <[email protected]> >> Subject: Plugs for China >> Date: Tue, 20 Oct 1998 16:10:33 -0400 >> To: "'[email protected]'" <[email protected]> >> >> >> > It seems that China now requires the plug blades to have no holes in them. >> > Referring to the small round opening at the upper area of a US plug. >> >> > Thanks, >> >> > Cindy Millsaps >> > Product Safety Engineer >> > Motorola Energy Systems Group >> > (770) 338-3288 >> > FAX: (770) 338-3345 >> >> Sorry, Cindy, I'm of no help on your question. But, can anyone tell me just >> what those little circular holes in the High and Neutral plug blades are >> supposed to do? >> >And now, another little observation. I looked at some equipment with Hospital >Grade cable plugs. These plugs had solid blades; no holes at all. And the >blades were much more rigid, with slightly larger thickness and width than a >standard plug (subjective, since I didn't have a caliper with me). I would >think that this would create higher contact pressure with the female socket >elements when mated. > >Also, the blades had what appeared to be a nickel plate finish. > >Regards, > >Ed > >-------------------------- >Ed Price >[email protected] >Electromagnetic Compatibility Lab >Cubic Defense Systems >San Diego, CA. USA >619-505-2780 >Date: 10/21/1998 >Time: 08:15:53 >-------------------------- > > > >--------- >This message is coming from the emc-pstc discussion list. >To cancel your subscription, send mail to [email protected] >with the single line: "unsubscribe emc-pstc" (without the >quotes). For help, send mail to [email protected], >[email protected], [email protected], or >[email protected] (the list administrators). -- Patrick Lawler [email protected] --------- This message is coming from the emc-pstc discussion list. To cancel your subscription, send mail to [email protected] with the single line: "unsubscribe emc-pstc" (without the quotes). For help, send mail to [email protected], [email protected], [email protected], or [email protected] (the list administrators).

