Red Seal Plumbing Practice Exam 2026 - Free Red Seal Plumbing Practice Questions and Study Guide

The table used for sizing cleanouts and spacing is based on the type of pipe being used. Option A, 2.4.6.1, is not a table and is not related to cleanouts or spacing. Option C, 3.5.8.9, is a multi-digit number and does not correspond to any known table for sizing cleanouts and spacing. Option D, 4.2.0.1, is not specifically related to cleanouts or spacing and appears to be a random number combination. Therefore, Option B is the most logical and correct answer as it includes both a table number and a decimal point, which is a common format for tables used in sizing cleanouts and spacing.