Q: What are the main differences between the JB7 model and the M5 & M6 models?

A: The JB7 housing is non-UL, NEMA Type 4 and has a low profile. It also features a quarter-turn latch for tool entry.The M5 & M6 housings are UL Recognized Type 4X and have an expanded profile, accommodating more space for additional wiring.