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EQUI-MAT™

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EQUI-MAT™ Personal Protective Ground Grid
U.S. Patent No. 6,477,027

  • Complies with OSHA 1910.269 for equipotential requirements near vehicles, underground gear, overhead switches and in substations
  • Patent pending

Supplemental Catalog
Bulletin 3023, February 2001

Portable, lightweight, high performance

The EQUI-MAT™ Personal Protective Ground Grid provides an easy way to help establish an equipotential zone for a lineworker to stand on during various energized and de-energized work practices. Properly applied, it accomplishes compliance with Occupational Safety and Health Administration (OSHA) 1910.269:

“Equipotential Zone. Temporary protective grounds SHALL be placed at such locations and arranged in such a manner as to prevent each employee from being exposed to hazardous differences in electrical potential.”

The EQUI-MAT™ Personal Protective Ground Grid easily can be taken anywhere needed, is simple to use, maintain and store. It consists of a high-ampacity tinned-copper-braid cable sewn in a grid pattern onto a vinyl/polyester fabric. Cable terminals permit connecting the mat's grid in series with an electrical ground and the subject system component or vehicle. Simply rinsing with water comprises all the care the mat requires. The mat may be folded and stored in a tool bag to help keep it clean and protected. Complete instructions are included with each unit.

Easy to use, versatile to many applications

• Padmounted Transformers and Switches
Complies with OSHA 1910.269 for protecting workers operating and maintaining padmounted transformers and switchgear. The proper use of EQUI-MAT™ Personal Protective Ground Grid in these applications creates an equipotential zone just as a cluster bar (chain binder) does in overhead grounding practices.

Mechanical Equipment (Vehicles, etc.)
Grounding It also helps provide compliance with OSHA 1910.269 for protecting workers around mechanical equipment which could become energized, such as utility vehicles and portable generators. For proper application, EQUI-MAT™ Personal Protective Ground Grids are attached to the vehicle (for example) at locations where workers could contact the vehicle. This extends the area of equipotential around the vehicle.

Overhead Distribution and Transmission Switches
EQUI-MAT™ Personal Protective Ground Grid can help eliminate step and touch potential. Connect it to the handle of an overhead switch and stand on it when opening or closing the switch.

Line Apparatus Work:
Similar uses for installing , maintaining or operating regulators, reclosers, capacitor banks.

Suspect Substation Grids:
If station ground mat integrity is questionable, apply the EQUI-MAT™ Personal Protective Ground Grid.


Ordering Information
Basic EQUI-MAT™ Personal Protective Ground Grid
Each Basic Unit includes a Long Ball Stud and illustrated instructions.
Catalog No.
Size
Weight
Single 1/4" Perimeter Braid
C600-2850
58" x 58"
5 lb. / 11 kg.
C600-2851
58" x 120"
10 lb. / 22 kg.
C600-2852
120" x 120"
20 lb. / 44 kg.

Pre-Packaged Kits
Each Pre-Packaged Kit includes Ground Grid (size below with Long Ball Stud and illustrated instructions) plus Ground Set T600-2841 and Storage Bag C417-0147.
Kit
Catalog No.
EQUI-MAT™ Personal Protective Ground Grid Weight per Kit
C600-2989
58" x 58"
11 lb. / 24.2 kg.
C600-2990
58" x 120"
17 lb. / 37.4 kg.
C600-2991
120" x 120"
29 lb. / 63.8 kg.

Accessory Items

Long Ball Stud T600-2364 included with each Basic Equi-Mat™ Personal Protective Ground Grid (Catalog page 3013)

Ground Set T600-2841 included with Kits only
Consists of 6 ft. long #2 cable with ferrules applied.
Ball Socket clamp (C600-2100) and C-type clamp (C600-1959)

Storage Bag C417-0147 included with Kits only. Catalog pages 2512-13


Simple to join multiples for larger areas

Cascading (or joining together) two or more mats is easy with the connecting tab and hardware furnished with each mat. So connected in series, the conductive grids become one.

Whenever a larger area is needed, simply place lug connector tabs of two adjacent mats on the supplied bolt or threaded shank of a ball stud and secure with supplied washer and nut.

Long ball stud accepts various grounding clamps as shown at left: Ball/Socket, C Type and Duckbill.

(Near Right) To join mats, conductive grids simply connect at tabs with bolt, washer and nut included with each mat. tabs have shrink tube for stress relief. (2nd & 3rd from Right) Ball stud can join mats and connect to ground set clamps.
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Last updated: May 7, 2008