Compliance Guide · 2026-09-26

Equipment Clearance Rules: FDA Food Code 4-402.12 for Legs and Feet

The distance between your equipment and the floor is not a styling decision — it is written into food code. Section 4-402.12 sets the clearance numbers that health inspectors measure, and legs and feet are the hardware that delivers them. Here is what the rule says, why it exists and how to size your feet to pass the first time.

What section 4-402.12 actually says

The FDA Food Code is the model regulation that most US states adopt as their retail food law, and section 4-402.12 — Fixed Equipment, Elevation or Sealing — is the clause inspectors carry in their heads. For floor-mounted equipment that is not easily movable, the rule offers two paths: seal the unit to the floor, or elevate it on legs providing at least 6 inches (15 cm) of clearance between the floor and the equipment. A narrower 4-inch allowance exists only where no part of the floor beneath the unit is more than 6 inches from a cleaning access point — a carve-out for tight corners, not a general option.

For table-mounted and counter-mounted equipment, the numbers drop but the logic holds: at least 4 inches (10 cm) between the table surface and the equipment underside, with reduced allowances of 3 or 2 inches permitted only where the table top beneath the unit sits within 20 or 3 inches of a cleaning access point respectively. The full text, as adopted by states like Washington with their food code, spells out each threshold and exception.

One more requirement in the same neighborhood trips up equipment builders regularly: legs and supports must not have hollow open ends. We will come back to why, because it is the reason bullet feet have the shape they have.

Why 6 and 4 inches: the cleaning-access logic

Every inch of clearance exists for a hand or a tool. The 6-inch floor standard is roughly the height of a mop head or a scrub brush worked flat, which is what it takes to clean under a heavy unit that cannot be moved. The 4-inch table standard reflects the reach of a hand with a cloth under a mixer or slicer. Below those heights, the space under equipment becomes a dark, dry, undisturbed void — exactly the environment where food debris, grease mist and moisture collect and where pests settle in unnoticed.

Inspectors phrase it plainly: if you cannot clean under it, seal it; if you will not seal it, lift it. A unit at legal clearance lets cleaning happen without moving the equipment, which means the cleaning actually happens daily rather than during the annual deep clean when the fryer finally gets shifted. The gap between intent and practice is where violations live, and the code's numbers are set so daily practice can meet the intent.

There is a secondary benefit that buyers care about in practice: clearance keeps the equipment's own feet and frame out of standing water during washdown. Legs that live in puddles corrode from the bottom up, and a foot that fails under a loaded unit is a safety problem as much as a code one.

The hollow-leg prohibition and bullet feet

Open tube ends fail the code for a simple reason: the inside of the tube cannot be reached, seen or cleaned. An open hollow leg is an unclosable harbor — insects enter, condensation forms, crumbs blow in and nothing can be done about it. So the Food Code and the equipment standards built on it, including NSF/ANSI 2 for food equipment, require supports to be closed or sealed.

This is precisely the niche bullet feet occupy. A bullet foot's rounded dome closes the tube end, sheds water instead of collecting it, and presents a smooth, cleanable surface to the floor zone. The shape is not decorative — it is the compliance answer to the hollow-end prohibition, which is why equipment manufacturers building for NSF-listed markets specify bullet feet rather than cutting raw tube and calling it done.

The same logic drives the details: fully welded or sealed stems, no crevices at the thread exit where soil packs in, and adjustable feet that keep their closed geometry through their adjustment range. When we design feet for food-equipment OEMs, the hollow-end rule is the first constraint and the load rating is the second — in that order, because an inspector does not weigh your worktable, but they will look under it.

Sizing feet to meet the clearance numbers

Clearance is measured from the floor to the underside of the equipment, so the foot's adjustment range and installed height both matter. Start by confirming what the equipment frame provides: a leg socket designed for 6-inch clearance needs a foot that, when adjusted for uneven floors, keeps the minimum above 6 inches at its lowest working position. An adjustable foot set to its extreme low end can silently take a compliant installation out of compliance — which is why the level adjustment should leave margin rather than sit at a limit.

For table-mounted gear, remember the measurement is from the table surface, and the 4-inch minimum applies to the equipment underside including anything that protrudes below the frame line. Motors, drains and mounting brackets that hang low can defeat a leg that measures right at the frame. This is the detail plan-review comments most often raise for mixers and slicers on stands.

Our catalog covers both scenarios: heavy-duty adjustable legs for floor-standing equipment where the 6-inch rule applies, and lower-profile feet for tabletop units working to the 4-inch rule. If you send the equipment's frame drawing and target clearance, we will match foot height, thread size and base diameter to the installation rather than leaving you to reverse-engineer it from part numbers.

Inspection day: what gets checked under your equipment

Inspectors work the perimeter of every fixed unit with a flashlight. They are checking clearance against the numbers, whether the legs touch the floor evenly, whether there are open hollow ends anywhere on the supports, and whether the space under the unit is actually clean — because clearance without cleaning fails the same section from the other direction.

They will also notice corrosion and buildup at the feet themselves. Rust rings on the floor, feet so crusted that their shape is ambiguous, or a foot adjusted so low it has buried itself in floor grout all suggest the clearance rule is being honored on paper only. The cheap insurance is unglamorous: include the feet in the daily wipe-down, re-level equipment whenever it is moved, and replace any foot that has corroded past a cleanable surface.

Passing 4-402.12 is not complicated once the hardware is right: legal clearance, closed ends, clean under and around. Every one of those is a purchasing or maintenance decision made weeks before the inspector arrives — and legs and feet are the part of that decision we build for a living.

Quick Answers

How high must floor-mounted equipment be off the floor?

Under FDA Food Code 4-402.12, floor-mounted equipment that is not easily movable must be sealed to the floor or elevated on legs providing at least 6 inches (15 cm) of clearance — reduced to 4 inches only where no part of the floor beneath is more than 6 inches from a cleaning access point.

What is the clearance for table-mounted equipment?

Table-mounted equipment that is not easily movable must be elevated on legs providing at least 4 inches (10 cm) between the table and the equipment, with reduced allowances of 3 or 2 inches only in tight-cleaning-access situations defined in the code.

Why can't equipment legs have hollow open ends?

Open tube ends create an unclosed void that pests enter and debris and moisture collect in, and the interior cannot be cleaned or inspected. The Food Code requires closed ends — which is why bullet feet and sealed leg designs exist.

← All resources