please direct all enquiries to technical services & development on fax: +44 (0) 1462 670440 or e-mail : tsnd@vermason.co.uk vermason limited, birds hill, letchworth, hertfordshire sg6 1hx vermason product information no: pis 068f page 1 of 1 issue no 4 date jan 2001 approved by heel and toe grounders heel and toe grounders are used for earthing personnel where mobility is required such as in stores areas and where static protective flooring or mats have been installed. floors with a defined built-in resistance to earth greater than 1 megohm are preferred. our sturdy grounders fit most shoes and are made from comfortable non-woven textile material. the conductive parts are two-layer rubber so as not to mark light coloured shoes. heel grounders generally fit all flat shoes whilst toe grounders are for use on shoes with raised heels. connection between the operator and floor is achieved by a conductive textile tongue, approximately 36 cm long that passes over the side of the shoe into the shoe itself where contact is made with the stockinged foot. the 1 .5 mm thick rubber grounding strap passes under and around the back of the shoe in heel grounders and under the front of the shoe with toe grounders. it is secured on top of the shoe with distinctive yellow, green or pink straps. velcro closures allow for adjustment. socks or stockings will not usually insulate the wearer as natural perspiration completes the path and achieves a body to earth resistance of less than 1 megohm. where the resistance to earth of the floor is less than 1 megohm we recommend the use of heel grounders with a cord attachment with a built-in 1 megohm resistor. the resistor is rated at ? watt. vermason code fec part no unit na0yvp heelgrounders 3547927 pair naiyvp heel grounders with 1 megohm resistance 3547905 pair naibvp heel grounders, green 3547899 pair naopvp heel grounders, pink 3358410 pair naipvp heel grounders with 1 megohm resistance, pink 3547917 pair nnobvp toe grounders, blue 3550047 pair npibvp toe grounders, large cup, blue with 1 megohm resistance 3550059 pair npobvp toe grounders, large cup, blue 3550060 pair
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