Skip to main content
Find a Lawyer

Code of Federal Regulations Title 24. Housing and Urban Development § 24.3280.810 Electrical testing

Current as of January 02, 2025 | Updated by Findlaw Staff

(a) Dielectric strength test. The wiring of each manufactured home shall be subjected to a 1–minute, 900 to 1079 volt dielectric strength test (with all switches closed) between live parts and the manufactured home ground, and neutral and the manufactured home ground. Alternatively, the test may be performed at 1080 to 1250 volts for 1 second. This test shall be performed after branch circuits are complete and after fixtures or appliances are installed. Fixtures or appliances which are listed shall not be required to withstand the dielectric strength test.

<Text of subsection (b) effective until July 12, 2021, as delayed by 86 FR 13645.>

(b) Each manufactured home shall be subject to:

(1) A continuity test to assure that metallic parts are properly bonded;

(2) Operational test to demonstrate that all equipment, except water heaters, electric furnaces, dishwashers, clothes washers/dryers, and portable appliances, is connected and in working order;  and

(3) Polarity checks to determine that connections have been properly made. Visual verification shall be an acceptable check.

<Text of subsection (b) effective July 12, 2021, as delayed by 86 FR 13645.>

(b) Additional testing. Each manufactured home must be subjected to the following tests:

(1) An electrical continuity test to assure that metallic parts are effectively bonded;

(2) An operational test of all devices and utilization equipment, except water heaters, electric ranges, electric furnaces, dishwashers, clothes washers/dryers, and portable appliances, to demonstrate they are connected and in working order;  and

(3) Electrical polarity checks to determine that connections have been made in accordance with applicable provisions of these standards and Article 550.17 of NFPA 70–2005 (incorporated by reference, see § 3280.4). Visual verification is an acceptable electrical polarity check.

Previous Part of Code Next Part of Code
Back to Chapter List

Cite this article: FindLaw.com - Code of Federal Regulations Title 24. Housing and Urban Development § 24.3280.810 Electrical testing - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-24-housing-and-urban-development/cfr-sect-24-3280-810/

FindLaw Codes may not reflect the most recent version of the law in your jurisdiction. Please verify the status of the code you are researching with the state legislature before relying on it for your legal needs.

Was this helpful?

Welcome to FindLaw's Cases & Codes

A free source of state and federal court opinions, state laws, and the United States Code. For more information about the legal concepts addressed by these cases and statutes, visit FindLaw’s Learn About the Law.

Go to Learn About the Law

Latest Blog Posts

For Legal Professionals

Learn About The Law

Get help with your legal needs

FindLaw’s Learn About the Law features thousands of informational articles to help you understand your options. And if you’re ready to hire an attorney, find one in your area who can help.

Go to Learn About the Law

Need to Find an Attorney?

Search our directory by legal issue

Enter information in one or both fields (Required)

Copied to clipboard