Zach Stuart and Thomas Bainton got the all-important tries for the One East leaders with Dan Butler supplying the rest of the points with his boot.
Wanderers, who lead One East Central, could only conjure up two penalties from Luke Fish.
Brynmawr’s challengers in One East, Penallta, look to be fierce competitors in the Plate as well as they beat Heol-y-Cyw 8-0.
The Pitmen put their name in the hat for the next round thanks to a Ross Edwards try and a Lawrence Pritchard penalty.
Fellow One East outfit Nelson eased past Croesyceiliog 26-0 while One North league leaders Llandudno continued their winning run with a 23-6 triumph over Blaenavon.
In the WRU National Bowl, Nantgaredig followed up their league victory over Three West B title rivals Amman United with a 43-7 win over Cwmgors.
Outside-half Meirion Davies bagged 23 points with full-back Dafydd Lewis adding the other 20 with four tries.
Amman United couldn’t return to winning ways as they lost 11-7 to St Albans while Tylorstown edged Haverfordwest 12-11.
In league action, Ystalyfera climbed to the summit in One West Central after they beat Brynamman 34-13 and Glynneath’s game with Skewen was postponed.
Steff Castle bagged 12 points with a try, a penalty and two conversions.
Luc Caines, Paul Davies and Ben Williams were also on the scoresheet along with a penalty try.
Over in One West, Felinfoel sent out a strong message to the rest of the league as they hammered nearest challengers Gowerton 50-7 to open a seven-gap lead at the top.
The only game in One East Central saw Dinas Powys edge to an 18-11 win over Gilfach Goch.
A Rhodri Phillips try, a penalty try and two John Dunleavy penalties steered Powys to victory.
The comeback is on for Hartridge in One East after they beat Ynysybwl 35-13 – their second win in a row.
They are now just one point behind Dowlais and two off Caerleon after losing their opening seven fixtures.
Up north, Bala were in ruthless form as they thrashed Bethesda 32-0 while Ruthin claimed a 29-10 triumph over Dinbych in One North.
