The Electrical Contractor Network

ECN Electrical Forum
Discussion Forums for Electricians, Inspectors and Related Professionals

Books, Tools and Test Equipment for Electrical and Construction Trades

Register Now!

Register Now!

We want your input!

Featured:
   

2017 NEC and Related
2017 NEC
Now Available!

   
Recent Posts
Correct rotation, wrong sequence
by Potseal
Today at 03:14 PM
Industrail Control Panel bonding per 409.108
by sparkyinak
Yesterday at 06:29 PM
Calling all Non-US members!! (Non-US only)
by aussie240
12/07/16 02:39 AM
Photo Upload Tutorial
by DanK
12/06/16 11:35 PM
Sprinklered equipment 26-008
by bigpapa
12/02/16 04:24 PM
New in the Gallery:
12.5A through 0.75mm flex (just out of curiosity)
Shout Box

Top Posters (30 Days)
gfretwell 11
HotLine1 10
Potseal 9
sparkyinak 8
Texas_Ranger 7
Who's Online
0 registered (), 215 Guests and 4 Spiders online.
Key: Admin, Global Mod, Mod
Topic Options
Rate This Topic
#86892 - 12/22/03 05:40 AM Rubber mats in front of swithgear
Yoopersup Offline
Member

Registered: 03/04/03
Posts: 826
Loc: Michigan
One the Ohio masters exam one of the Questions is at what Voltage is a rubber mat required in front of the gear???
Can anyone point out that section for me???
Thank you

Top
2014 / 2011 NEC & Related Books and Study Guides
#86893 - 12/22/03 02:05 PM Re: Rubber mats in front of swithgear
Bjarney Offline
Moderator

Registered: 04/10/02
Posts: 2561
Loc: West-Southern Inner-Northeast ...
The 'correct' answer is probably something like http://www.whsalisbury.com/blankets/images/blankets.pdf Page 14 states: “Tested to 20kV — Maximum use 17,000V”.

That is an incredibly stupid exam question, based on a cryptic ASTM Standard. Knowing that sort of minutia does not demonstrate any significant trade knowledge.

Top
#86894 - 12/22/03 02:19 PM Re: Rubber mats in front of swithgear
iwire Offline
Moderator

Registered: 01/05/03
Posts: 4343
Loc: North Attleboro, MA USA
But you knew it.....


One of my journeyman's test questions was how to convert Fahrenheit to Celsius.

It is in the code book both ways and if I need the formula I can find it.

This demonstrates trade knowledge how?

Bob



[This message has been edited by iwire (edited 12-22-2003).]
_________________________
Bob Badger
Construction & Maintenance Electrician
Massachusetts

Top



ECN Electrical Forums - sponsored by Electrical Contractor Network - Electrical and Code Related Discussion for Electrical Contractors, Electricians, Inspectors, Instructors, Engineers and other related Professionals