What are the four conductors in 2-2-2-4 MHF?

Two 2 AWG hot legs, one 2 AWG neutral and one 4 AWG ground, all stranded aluminum. The 4 AWG ground is smaller than the current-carrying conductors, which is normal for this cable type.

Can it be buried directly without conduit?

MHF is listed for direct burial, so it can go in the ground without conduit in many installations. Above ground and where it leaves the trench, local code usually requires conduit protection.

Is 100 A enough for a mobile home?

A 100 A feeder covers most single-section homes with electric range, water heater and a few appliances. All-electric homes with electric heat often need a larger feeder; have a licensed electrician run a load calculation.

Can I connect aluminum wire to standard lugs?

Only to lugs rated for aluminum, marked AL or AL/CU. Use antioxidant paste on the strands and torque terminals to the panel manufacturer's spec, then recheck them after the first heating cycles.

Does it work for a subpanel in a detached garage?

Yes, it is a common choice for a 100 A subpanel feed. Keep the neutral and ground separated at the subpanel and bond them only at the main service.

2-2-2-4 Aluminum Mobile Home Feeder Cable, 50 ft

Q: Where is the 2-2-2-4 Aluminum Mobile Home Feeder Cable, 50 ft cheapest?

At Amazon, for $179.99, as of our latest check.

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Last seen at $179.99 at Amazon on Nov 10.

Our take on the 2-2-2-4 Aluminum Mobile Home Feeder Cable, 50 ft

This is 2-2-2-4 aluminum mobile home feeder (MHF) cable in a 50 ft length, built for underground and outdoor service feeds. It has two 2 AWG hot conductors, a 2 AWG neutral and a 4 AWG ground, rated 600 V and 100 A. Aluminum is lighter and cheaper than copper but needs antioxidant paste and aluminum-rated lugs at every termination. It suits mobile home and subpanel feeds where direct burial is allowed; check local code, since not every jurisdiction permits MHF indoors or as service entrance.