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Williams Grip

The Williams Grip Terminal Block
Paxton-Mitchell Co., LLC, manufactures a complete line of Williamsgrip terminal blocks and connectors to fulfill the requirements of electrical installations where high-amperage and quick-disconnect means are required. Primary usage of these products include electrical connection between mother and slug locomotive units.
Typical Williams Grip Assembly
Product Description
The Neoprene block is compounded from high dielectric Neoprene and is molded to exacting standards. Each block is tested to insure that the resistance through one cubic inch of Neoprene is infinite at 1000 volts. Actual tests have proven that no breakdown occurs on a new block at 20,000 volts. In the Salt Solution test, (24 hours at 110° F. in 20% solution) no breakdown occurred at 10,000 volts. At 15,000 volts surface leakage was noted, but no breakdown occurred. The Motor Terminal Block is required to operate under normal conditions at full ampere line rating at a temperature rise of not more than 32° F. above cable temperature, in order to pass the underwriters code and standards. The insulating caps are of the same high quality Neoprene as is used in the Terminal Block, but with more flexibility to permit installation. The insert and sleeve are made from a leaded-copper alloy, specially prepared to possess the high conductivity required, as well as the high mechanical strength that is necessary for long life and trouble free operation. The locking nut is precision machined from top quality brass and all metal parts are electro-tin plated for corrosion resistance and ease of soldering where required.
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