Richard,
Article 100 of the National Electrical Code (NEC) defines Readily
Accessible as follows:
Capable of being reached quickly for operation, renewal, or inspections,
without requiring those to whom ready access is requisite to climb over or
remove obstacles or to resort to portable
Richard,
Readily accessible means not obstructed by furniture or equipment. The
shutoff will be wall mounted, in a visible location, at a height where
persons of short stature can reach it, but not so low as to require
crouching to reach it. Local codes may specify a height range. It should
also
Richard
Having had a look at 60950, my own quick reading of the requirement takes
me to the following:
- the 2nd 3rd paras of Cl 17.1 where it talks about operator access areas
for locations of markings
- Cl 2.6.2 which talks about disconnect devices
The next step would be reference to
Hello Richard,
This is rather arbitrary article. It's location must be
- easy accessible, in such a way that any service
operator does not get tempted not to disconnect the
equipment when servicing because of any reason.
- nor to make a misjudgment into what switch is operated (if multiple)
UL 1778 UPS Equipment requires that a fixed UPS has a disconnect
switch for its output (or a cord and plug or receptacle on the output).
Otherwise (according to UL 1778) the UPS instruction manual
should require that you provide a disconnect device on the
UPS output.
However, these
@listserv.ieee.org
Date: Monday, October 26, 1998 8:24 AM
Subject: RE: Disconnect Device for ITE or Lab Equipment Utilizing UPS
UL 1778 UPS Equipment requires that a fixed UPS has a disconnect
switch for its output (or a cord and plug or receptacle on the output).
Otherwise (according to UL 1778) the UPS
, John; pe...@itl.co.il; 'Emc-Pstc'
Subject: Re: Disconnect Device for ITE or Lab Equipment Utilizing UPS
If the UPS is contained within an enclosure where the output receptacles
or
the UPS on-off switch is not accessible to the user as is the case in some
Kiosk applications, an external Kill
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