Two tries from Jamie Henthorne and a try each from Damien Smith and Steve Knight ensured a bonus point for The Devils. Bedlinog beat Llantrisant 15-9, ending their perfect start to the league season in the process with Ryan James running in two tries for the Foxes at The Rec.
Nelson maintained their grip at the summit of Division Three after a 27-17 win away at Rhymney. The league-leaders were 10-5 behind at the break but managed to run up 22 points in the second-half to overturn the deficit.
Pontypool came up with the shock result of the day with a 42-7 rout at home to third-placed Gwernyfed.
Nantyglo remain top of Division Four after a 21-8 win away at Crumlin. Machen are hot on their heels at the top after a 22-6 victory over Brynithel.
Pontllanfraith remain winless after a 46-3 home defeat to Rhiwbina, with the home side scoring eight tries.
Talywain trounced Caldicot 41-3 in Division Five East, recording a bonus point after six tries.
Blackwood Stars won 24-10 at Crickhowell in the clash of the top two in Division Six East.
Elsewhere in the division, the match between Markham and St Julians HSOB was postponed as St Julians were unable to raise a side.