ECN Electrical Forum - Discussion Forums for Electricians, Inspectors and Related Professionals
ECN Shout Chat
ShoutChat Box
Recent Posts
New tool
by gfretwell - 10/19/20 03:43 PM
Where is Everyone?
by Bill Addiss - 10/17/20 07:04 PM
Beyond Belief
by gfretwell - 09/27/20 12:03 AM
Questioning the electrical norms
by LongRunner - 09/23/20 06:38 AM
Smoke & mirrors?
by HotLine1 - 09/21/20 03:42 PM
New in the Gallery:
Facebook follies, bad wiring
FPE in Germany pt.2
Who's Online Now
0 registered members (), 18 guests, and 12 spiders.
Key: Admin, Global Mod, Mod
Previous Thread
Next Thread
Print Thread
Rate Thread
Confirming properly grounded equipment #329 01/16/01 01:57 PM
Joined: Jan 2001
Posts: 2
H
Harold Best Offline OP
Junior Member
I work in the safety department and we utilize a new equipment checklist for any new or altered equipment. One of the items on the checklist deals with the proper grounding of equipment. I have asked various electrical contractors to confirm that the equipment they have installed is properly grounded before I complete the checklist. Does anybody have any suggestions at to the best way to confirm that the equipment is properly grounded? What type of confirmation test should we require?

Work Gear for Electricians and the Trades
Re: Confirming properly grounded equipment #330 01/16/01 04:45 PM
Joined: Oct 2000
Posts: 5,389
S
sparky Offline
Member
Harold;
the grounding requirements of article 250 in the NEC are many times pertinent to specific equipment. So you may need an answer for each individual situation. [Linked Image]

Re: Confirming properly grounded equipment #331 01/16/01 05:50 PM
Joined: Oct 2000
Posts: 3,961
Bill Addiss Offline
Member
Harold,

Perhaps if you gave us more details on the types of equipment you are dealing with We would be better able to offer suggestions.


Cord and plug connected? - if so, are you referring to the grounding of the equipment itself or the circuit it is connected to?

What type of location is this equipment installed in? is it a Hazardous Location?
more details might help.

Bill


Bill
Re: Confirming properly grounded equipment #332 01/16/01 06:02 PM
Joined: Jan 2001
Posts: 2
H
Harold Best Offline OP
Junior Member
Quote
Originally posted by Bill Addiss:
Harold,

Perhaps if you gave us more details on the types of equipment you are dealing with We would be better able to offer suggestions.


Cord and plug connected? - if so, are you referring to the grounding of the equipment itself or the circuit it is connected to?

What type of location is this equipment installed in? is it a Hazardous Location?
more details might help.

Bill

This checklist is used for any new or altered equipment. The most recent items I have used the checklist on include: cardboard baler, dock locks, Landringer (puts plastic wrap around loads on pallets), production auxillary equipment, etc.

I assume you just have to look at the specific equipment and determine how the grounding should be confirmed (i.e. test with meter, etc.).

Re: Confirming properly grounded equipment #333 02/12/01 03:54 AM
Joined: Feb 2001
Posts: 1
B
BR Offline
Junior Member
The equipment installation should be inspected to meet the requirements of NEC 250. "Checking with a meter" will not tell you much if you use a multimeter. The ohmmeter section will only measure resistance, not impedance. You need to use an impedance tester such as a Tasco Inspector, ECCOS, Suretest, or GLIT if you want to measure inpedance.

Re: Confirming properly grounded equipment #334 02/13/01 08:40 PM
Joined: Oct 2000
Posts: 5,389
S
sparky Offline
Member
BR;
May i ask which impedance tester you would recommend? I am in the market for one.... [Linked Image]


Featured:

2020 National Electrical Code
2020 National Electrical
Code (NEC)

* * * * * * *

2020 Master Electrician Exam Preparation Combos
2020 NEC Electrician
Exam Prep Combos:
Master / Journeyman

 

Member Spotlight
mersadrad
mersadrad
Montreal, Quebec, Canada
Posts: 28
Joined: March 2011
Show All Member Profiles 
Top Posters(30 Days)
BigB 3
Popular Topics(Views)
270,713 Are you busy
204,955 Re: Forum
193,058 Need opinion
Powered by UBB.threads™ PHP Forum Software 7.7.3