3-wire vs 4-wire Branch Feeder

3-wire feeders to detached structures that had no other parallel metallic pathways(eg. conduit, water and gas piping, communication cabling, etc.) were allowed up until the 2008 NEC code cycle.

From then on, 4-wire feeders have been required.

4-wire feeders to panels in attached structures have always been required.

3-wire feeder to detached(no longer allowed as of 2008):

4-wire feeder to detached:

4-wire feeder to attached structure:

Under Hoist Stands

A pair of these (or more) are extremely handy to have, but at $130 each the cost would add up fast.

I’m thinking I can build these with some inexpensive angle iron centered around these (or something similar).  I’m always down for a project.  The images are links to the products.

1-1/8″-7 Hex Nut, Plain Finish, Grade 2 Steel, Right Hand

1-1/8″-7×2 ft., Threaded Rod, Steel, Grade A, Plain

Engine Option 3: 2332 Turbo

Today’s engine option is on the extreme size.  It’s another 2332cc choice with a turbo charger.  This beast is capable of producing 330hp at 6400rpm and 290 ft/lbs of torque at 4300rpm.

Features:
84 Stroke x 94 Bore
44 x 37.5 Super Pro Heads w/Titanium Retainers, VW650 Springs
#2292 Eagle Racing Camshaft (FK-10)
1.4:1 Ratio Rockers
8:1 Compression
Gen4 Turbo EFI Hybrid Turbo
Water/Meth Injection
Boost Control
Crank Trigger Ignition