Electrician Red Seal · Question
When installing electrical metallic tubing (EMT) in a dry, unfinished basement, what is the maximum permissible distance between supports for a 19 mm (3/4 in.) EMT conduit, according to CEC Table 18?
For EMT conduit not exceeding 21 mm (3/4 in.) nominal size, CEC Table 18 specifies a maximum distance between supports of 1.5 m (5 ft.). This ensures proper sup
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Question: When installing electrical metallic tubing (EMT) in a dry, unfinished basement, what is the maximum permissible distance between supports for a 19 mm (3/4 in.) EMT conduit, according to CEC Table 18?
Answer options:
- 1.0 m (3 ft. 3 in.) ✅ 1.5 m (5 ft.)
- 2.0 m (6 ft. 7 in.)
- 2.5 m (8 ft. 2 in.)
Correct answer: 1.5 m (5 ft.)
Explanation: For EMT conduit not exceeding 21 mm (3/4 in.) nominal size, CEC Table 18 specifies a maximum distance between supports of 1.5 m (5 ft.). This ensures proper support and prevents sagging or damage to the conduit.
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