Electrician Red Seal · Question
When installing electrical metallic tubing (EMT) in a dry location, what is the maximum permissible distance between supports for a 21 trade size (3/4 in.) EMT conduit?
According to CEC Table 18, for EMT with a trade size of 21 (3/4 in.) and smaller, the maximum allowable distance between supports is 1.5 m (5 ft). Distances of
Start free practice for Electrician Red Seal
150 questions · no signup required · 40 free questions per day
Question: When installing electrical metallic tubing (EMT) in a dry location, what is the maximum permissible distance between supports for a 21 trade size (3/4 in.) EMT conduit?
Answer options: ✅ 1.5 m (5 ft)
- 2.0 m (6 ft 7 in.)
- 3.0 m (10 ft)
- 2.5 m (8 ft 2 in.)
Correct answer: 1.5 m (5 ft)
Explanation: According to CEC Table 18, for EMT with a trade size of 21 (3/4 in.) and smaller, the maximum allowable distance between supports is 1.5 m (5 ft). Distances of 2.0 m or 2.5 m are permitted for larger conduits, but not for 21 trade size.
Start free practice for Electrician Red Seal
150 questions · no signup required · 40 free questions per day
More about Electrician Red Seal
Related Questions
- A residential garage is to be wired with a 15 A, 120 V duplex receptacle. According to the Canadian Electrical
- During a renovation of a commercial kitchen, an electrician needs to replace an old single-phase, 240 V, 5 kW
- A commercial kitchen is being renovated, and several new 4 kW, 208 V, single-phase electric ovens are being in
- What is the minimum working space depth required in front of an electrical panel rated 200 A, 120/240 V, locat
- A Red Seal electrician is setting up temporary power for a construction site. The main temporary service is a
- A new industrial facility requires a 600 V, three-phase, 150 A feeder to supply a motor control centre. The co
More for Electrician Red Seal candidates
Practice tests
Question explanations
- A residential garage is to be wired with a 15 A, 120 V duplex receptacle. According to the Canadian Electrical
- During a renovation of a commercial kitchen, an electrician needs to replace an old single-phase, 240 V, 5 kW
- A commercial kitchen is being renovated, and several new 4 kW, 208 V, single-phase electric ovens are being in
- What is the minimum working space depth required in front of an electrical panel rated 200 A, 120/240 V, locat
Ready to practice?
Free, no signup required. Build a wrong-question list as you go.
Start Free Electrician Red Seal Practice →Related courses
Other Canadian certifications candidates often prepare for alongside this one.