DESCO 17255 Shock Cord Foot Grounder — Product Overview
The 17255 Shock Cord Foot Grounder from DESCO is a shock-cord full-coverage foot grounder that converts non-ESD footwear into footwear that establishes a path-to-ground and does not generate an electrical charge. The product is manufactured in the USA and is specified in the manufacturer's drawing number 17255, dated July 2024.
Construction and Components
- Three-layer non-marking rubber with yellow outer and inner dissipative layers and a black conductive inner layer.
- Thickness: 0.060" (1.52 mm).
- Replaceable conductive ribbon: 3/8" wide, 18" long nylon ribbon with 8 electrically conductive fibers (carbon-suffused); connects with 4 mm snap.
- Black elastic shock-cord (1/8" diameter) with adjustable slide lock and 4 mm stainless steel male snap for attachment.
Typical Applications
The 17255 Shock Cord Foot Grounder is used to convert non-ESD footwear into footwear with an electrical connection to ground (path-to-ground) and to prevent the generation of static charge during walking. Two foot grounders are recommended for reliable grounding, as they can provide grounding when one foot is lifted from the floor. The operator is grounded when the foot is in contact with grounded dissipative or conductive flooring, as per the manufacturer's instructions.
Documentation
For further application and maintenance information, please refer to DESCO Technical Bulletin TB-2020. For verification procedures of foot grounders, please refer to Technical Bulletin TB-3069 (both references specified in the manufacturer's datasheet).
Specifications
- Manufacturer: DESCO
- Item Number / Drawing Number: 17255 (date: July 2024)
- Product Name: 17255 Shock Cord Foot Grounder
- Recommended Size: Small/Medium — Men's 6–9; Women's 6–10
- Material: Three-layer non-marking rubber
- Thickness: 0.060" (1.52 mm)
- Replaceable conductive ribbon: 3/8" wide, 18" long with 8 conductive fibers, reversible, 4 mm snap
- Electrical Properties: Tab-to-floor contact point 1×10^6 to <1×10^8 ohms (ESD SP9.2 & ESD TR53) — walking voltage <60 V (tested per ANSI/ESD STM97.2)
- Meets requirements of: ANSI/ESD S20.20 (foot grounders) — specified in manufacturer's documentation
- Manufacturing: Made in the United States of America
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