The following is a list of the web sites for the products we mention in this section. Refer to each manufacturer’s site for complete details on products, conditions of acceptability, installation instructions, and service procedures. The list is not complete and does not endorse or recommend any product over another.
www.electrobits.com
www.allanson.com
www.atoglas.com
www.paigelp.com
www.neonpowerpro.com
www.egl-neon.com
www.fmsneon.com
www.sheffieldplastics.com
www.westrimproducts.com
www.absco.com
www.spartech.com
www.transco-intl.com
www.capital-electric.com
www.masterstechnology.com
www.gestructuredproducts.com
www.signletters.com
www.PlasticLetters.com
For a complete up-to-date list, you can access the ul.com site, select Standards Certifications from the home page, from that directory select UL Category Code/ Guide Information, enter PWIK or PWIK2 in category code box then select search. Select the companies guide information and it will tell you their products.

NOTE: Used with (PK type housing) metal clad receptacle to take up slack in secondary GTO wiring between letters to avoid having to use high voltage
connection boxes.
(Cover plate not shown).