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Discussion Starter · #1 ·
Re: [EVDL] checking a charge outlet

Hello Rod,

I use something similar to that. These units are normally design for the
common 120 vac 15-20 Amp 3 wire receptacle. You can test a 240 vac 20 to 60
Amp 3 and 4 wire receptacle by testing one phase at a time.

Make a adapter plug with test lead probes on it. Check each feeder line by
inserting the probe in Line 1 , Neutral and Ground of the receptacle. Then
check each other Lines L2 and L3. If there is no neutral in the receptacle,
you can combine the ground and neutral test leads together, but under a load
test this will show up as a ground fault. You can use the neutral in a near
by receptacle that has no loads or units plug into into that circuit.

There are way too many types of receptacles to design a test unit for each
receptacle configuration.

Roland


----- Original Message -----
From: "Rod Hower" <[email protected]>
To: "Electric Vehicle Discussion List" <[email protected]>
Sent: Tuesday, January 25, 2011 7:53 AM
Subject: [EVDL] checking a charge outlet


> This might be a useful toy,
> http://www.amprobe.com/winwiringinspector/INSP-3_DS_s.pdf
>
> I didn't see one for 240V outlets, just 120.
>
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70 Posts
Discussion Starter · #2 ·
Re: [EVDL] checking a charge outlet

Hi Rod,

Do you mean a 230V AC unit for countries where
the normal line voltage is 230V (and 400V 3phase)
because then you can try the Ideal SureTest Circuit Analyser.

However, if you want to test the USA 240V 2-phase (120+120)
then the unit will either need to switch between the two
phases or you can make a pigtail (short wire) with the 240V
plug on one side and have two 120V (NEMA 5-15) plugs on the
two wires coming out where each wire is connected to
GROUND and NEUTRAL and to *one* of the LINE phases.
You then simply need to test the two plugs separately to test
the whole 240V plug.
Note: this only works for a 240V socket with Neutral such as
a NEMA 14-50 (RV plug).

Hope this helps,

Cor van de Water
Director HW & Systems Architecture Group
Proxim Wireless Corporation http://www.proxim.com
Email: [email protected] Private: http://www.cvandewater.com
Skype: cor_van_de_water IM: [email protected]
Tel: +1 408 383 7626 VoIP: +31 20 3987567 FWD# 25925
Tel: +91 (040)23117400 x203 XoIP: +31877841130

-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of Rod Hower
Sent: Tuesday, January 25, 2011 9:23 PM
To: Electric Vehicle Discussion List
Subject: [EVDL] checking a charge outlet

This might be a useful toy,
http://www.amprobe.com/winwiringinspector/INSP-3_DS_s.pdf

I didn't see one for 240V outlets, just 120.

_______________________________________________
| REPLYING: address your message to [email protected] only.
| Multiple-address or CCed messages may be rejected.
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| OTHER HELP: http://evdl.org/help/
| OPTIONS: http://lists.sjsu.edu/mailman/listinfo/ev

_______________________________________________
| REPLYING: address your message to [email protected] only.
| Multiple-address or CCed messages may be rejected.
| UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub
| OTHER HELP: http://evdl.org/help/
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