Switchcraft MT388
MT-Jax 1/4" Long Frame Telephone Jack


High quality telephone jacks are essentially doubled versions of MT-Jax®. Twin-Jax® used in Switchcraft Series 2400, 2600 and JP® Jack Panels and other standard jack panels. Twin-Jax® have direct WEco equivalents.

Frame mounting ears are on 1.375 inch centers, and bushings are on .625 inch centers. Jacks are double, 2-conductor type with a crossover wiring feature. If a mating plug is inserted in either bushing, crossover contacts are opened (see schematic). MT388 (solder lugs) is equivalent to WEco jack 410A, 410C and 410D. WMT388 (wire-wrapping) is equivalent to WEco 410AM.

Add to Cart

We're sorry, only of this item available

Call a Sales Pro at for more information

Serving Contractors, Dealers, and Installers Since 1977

Contact: 1-800-828-0509 / Hours: Mon - Fri 7:00AM - 7:00PM