ELECTRO RAIL
10 ELECTRO-RAIL ERS-CHP COMBINATION ROD & MESSENGER HANGER PLATES
The SNK-P0068PS model is a no-frills solution that just works.
Electro-Rail ERS-306-4 4 Pole End Feed Set 50 Amp 600 Vac
A nice detail is the Blaster serial number system for tracking warranty.
ELECTRO-RAIL ERS-CHP HANGER PLATES (LOT OF 10) *NEW* -FREE SHIPPING-
You will find that the unbranded generic version is a workable alternative to expensive brands.