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When you screw down each terminal a brass metal alloy nickel plated plate backed with a stainless steel spring secures your wire, not the screw tip:
 

We carry 4 different types of terminal blocks. Please note the block dimensions, supported wire gauges, and Volt and Amp ratings before ordering.
TB 22-12S AWG, 300V 20A, 3.79" x 0.67"
$4.00

TB 22-12 AWG, 10 AWG solid, 300V 20A, 4.63" x 0.8"
$4.50

TB 22-10 AWG, 300V 35A, 5.4" x 0.94"
$5.00

TB 20-8 AWG, 300V 50A, 6.22" x 1.01"
$7.00

Our usual hours are Monday through Friday from 9:00 AM to 4:30 PM Eastern USA Time.
Closed on US Postal Service holidays, including Thanksgiving, Christmas, New Year's Day, President's Day and Columbus Day.
General information, product questions, tech support:
Order or shipping questions:
We normally answer emails within 1 business day.
Phone:
540-894-0907 (Questions and tech support)
800-282-5628 (Orders)
Orders for in-stock items are filled on weekdays. Orders for in-stock items received after Noon Eastern US Time will be filled the next business morning Monday through Friday.
Website: https://HamCall.net
If you see anything broken on the site, please let us know at: webmaster at HamCall.net
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T 12, M 33, Y 1240, A 26763   07-06-2026 23:16:45
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