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#207828 - 11/29/12 12:45 PM Inline adapter for single phase power monitors ?
LarryC Offline
Member
Registered: 07/05/04
Posts: 780
Loc: Winchester, NH, US
Does anyone know of a off the shelf breakout assembly to connect a power analyzer to? I need to safely measure electical parameters for a system that is plugged into a NEMA 5-20 receptacle.

Before I go and build a couple of nice little breakout boxes, I figured why re-invent the wheel. I am looking for something I can plug inline and connect the power analyzer to it.

I am using the IEC 320 high and standard power connectors.

Thanks.
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#207830 - 11/29/12 04:01 PM Re: Inline adapter for single phase power monitors ? [Re: LarryC]
gfretwell Offline


Member
Registered: 07/20/04
Posts: 9039
Loc: Estero,Fl,usa
If this is a duplex receptacle, what is in the other side? You might just need a test cord with a cap on it.
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Greg Fretwell
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#207832 - 11/29/12 07:13 PM Re: Inline adapter for single phase power monitors ? [Re: gfretwell]
LarryC Offline
Member
Registered: 07/05/04
Posts: 780
Loc: Winchester, NH, US
I am looking for a prebuilt "box" that has male and female IEC 320 connectors, an insulated wire to clamp the current probe onto, and finger safe shrouded female banana jacks to connect the voltage leads.

I will be making multiple measurements inside the system under test, and I did not want to mess around with a hacked up line cord.

I can roll my own box, but I figured if someone else already built one, why reinvent the wheel.
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#207833 - 11/29/12 07:31 PM Re: Inline adapter for single phase power monitors ? [Re: LarryC]
gfretwell Offline


Member
Registered: 07/20/04
Posts: 9039
Loc: Estero,Fl,usa
I made up my own C13/14 cable for my Dranitz because I never saw a commercial one but that was a while ago. I will wait to see if Scott or anyone has seen one.
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Greg Fretwell
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#207837 - 11/29/12 09:02 PM Re: Inline adapter for single phase power monitors ? [Re: LarryC]
Scott35 Offline

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Member
Registered: 10/19/00
Posts: 2707
Loc: Anaheim, CA. USA
I have seen / used several of these, however they all had NEMA Devices; Locking types being the most common
(i.e.: L5-20 through L22-30).

IMO, there _SHOULD_ be similar Test Equipment with IEC 320 Panel Mounted Devices.

If nothing is available in the IEC Panel Mount Schemes (NEMA only), you could makeup Two Gender-Bender type Patch Cords, each with IEC-to-NEMA Devices:
(1) IEC Plug - NEMA Receptacle
(1) NEMA Plug - IEC Receptacle

Sorry for not having any helpful information, but I will ask around.

-- Scott (EE)

_________________________
Scott " 35 " Thompson
Just Say NO To Green Eggs And Ham!
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#207844 - 11/30/12 09:25 AM Re: Inline adapter for single phase power monitors ? [Re: Scott35]
LarryC Offline
Member
Registered: 07/05/04
Posts: 780
Loc: Winchester, NH, US
I am looking at making up a small box with male / female cord whips, EZ Hook 9408 (dual shrouded banana jacks), and a insulated wire for the current clamp.

Does anyone have a specific P/N for an insulated handle looking thing to hook the amp clamp onto?
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#207845 - 11/30/12 10:29 AM Re: Inline adapter for single phase power monitors ? [Re: LarryC]
gfretwell Offline


Member
Registered: 07/20/04
Posts: 9039
Loc: Estero,Fl,usa
A few inches of Carflex with right angle connectors?
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Greg Fretwell
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#207846 - 11/30/12 12:08 PM Re: Inline adapter for single phase power monitors ? [Re: gfretwell]
LarryC Offline
Member
Registered: 07/05/04
Posts: 780
Loc: Winchester, NH, US
Gfretwell: Neat idea.

Scott35: Do you have Manufacturers and P/Ns for the adapters you have used? Perhaps I can buy one of those and modify it for my needs.
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#208106 - 12/27/12 02:09 AM Re: Inline adapter for single phase power monitors ? [Re: LarryC]
Scott35 Offline

Broom Pusher and
Member
Registered: 10/19/00
Posts: 2707
Loc: Anaheim, CA. USA
Larry,

Sorry, but I do not have any Manufacturers to quote.

I will poke around the Net (Google) and let you know what I find.

-- Scott (EE)
_________________________
Scott " 35 " Thompson
Just Say NO To Green Eggs And Ham!
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#208116 - 12/27/12 06:43 PM Re: Inline adapter for single phase power monitors ? [Re: Scott35]
LarryC Offline
Member
Registered: 07/05/04
Posts: 780
Loc: Winchester, NH, US
Thanks. The project is heating back up.

I am seriously considering using a boxed receptacle inline with a "de-jacketed" power cable to safely provide a voltage measuring point along with the access for the current clamp. I'll use a chopped line cord to connect the voltage leads.
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