×

# Minimum allowable work space around electrical equipment

###### Jump to latest post
1. Junior Member Pro Subscriber
Join Date
Jan 2015
Posts
13
Reputation

## Minimum allowable work space around electrical equipment

Codes and Standards
The minimum allowable work space around electrical equipment is _____ inches wide.

Your Answer: 36
Help: Article 110: Requirements for Electrical Installations

According to this article the answer is 36 inches
https://www.mikeholt.com/instructor2...239-sample.pdf

2. Careful not to get width and depth confused.

Width of Working Space.
The width of the working space must be a minimum of 30 in., but in no case less than the width of the equipment.

Depth of Working Space.
The working space, which is measured from the enclosure front, must not be less than the distances contained in Table 110.26(A)(1).

3. Member
Join Date
Jan 2015
Posts
26
Reputation
Unless you have an engineer who has a electrical closet not big enough to swing a door open with an ATS and 2 subpanels in it

4. Junior Member
Join Date
Jul 2016
Posts
11
Reputation
What about for around battery banks? Do you measure from the front of the rack or the back of the rack?

5. Originally Posted by copes2680
What about for around battery banks? Do you measure from the front of the rack or the back of the rack?
Working clearance is measured from the edge of a battery rack. NFPA-70 Article 480.9(C)

6. Originally Posted by SecondGen
Careful not to get width and depth confused.

Width of Working Space.
The width of the working space must be a minimum of 30 in., but in no case less than the width of the equipment.

Depth of Working Space.
The working space, which is measured from the enclosure front, must not be less than the distances contained in Table 110.26(A)(1).

I am a very visual person and this made it a lot easier to understand.

or to leave a reply!

Related Content