['Specialized Industries']

['Mining']

04/14/2026

Compliance Just Got Easier: Stay ahead of regulatory changes with instant notifications on updates that matter.

HOME NEWS REGSENSE INSTITUTE EDGE EXPERT HELP EVENTS FORUMS

FREE TRIAL UPGRADE!

Thank you for investing in EnvironmentalHazmatHuman ResourcesHuman Resources, Hazmat & Environmental related content. Click 'UPGRADE' to continue.

CANCEL

UPGRADE

YOU'RE ALL SET!

Enjoy your limited-time access to the Compliance Network!

A confirmation welcome email has been sent to your email address from ComplianceNetwork@t.jjkellercompliancenetwork.com. Please check your spam/junk folder if you can't find it in your inbox.

CONTINUE

YOU'RE ALL SET!

Thank you for your interest in EnvironmentalHazmatHuman ResourcesHuman Resources, Hazmat & Environmental related content.

CONTINUE

WHOOPS!

You've reached your limit of free access, if you'd like more info, please contact us at 800-327-6868.

By signing in for J. J. Keller® Compliance Network, you agree to the J. J. Keller® Terms of Use . For information about how we use any personal information we collect for our own purposes, please review our Notice at Collection .

Your Compliance Network account is no longer active, please call support at 1-833-982-1232 option 3, to reactivate your account.

There is no account associated with this email.

Your Compliance Network account will use the same sign in credentials as the following J.J. Keller sites. Please enter the same password you use to access:
Please note: Any changes to your credentials will affect all products.
Contact Support at 1-833-982-1232 or compliancenetwork@jjkeller.com

Password

To enhance your account's security, you need to confirm your email address and reset your password.

To reset your password, enter the 6-digit verification code sent to csquires@jjkeller.com.

* Field cannot be blank

If you don't see the email in your inbox, please check your spam folder.

Password

Re-enter Password

Secure password tips:

Password is case sensitive.
Use at least 12 characters.
Use at least one upper and one lower case letter.
Use at least 1 number.
Password may contain special characters: ! @ # $ % ^ & * ( ) ... - + = { }
Your password cannot be any of the last 4 passwords.
Password expires every 365 days.

You already have a Compliance Network account, please sign in.

test@email.com

Your Compliance Network account will use the same sign in credentials as the following J.J. Keller sites. Please enter the same password you use to access:
Please note: Any changes to your credentials will affect all products.
Contact Support at 1-833-982-1232 or compliancenetwork@jjkeller.com

Password

To enhance your account's security, you need to confirm your email address and reset your password.

To reset your password, enter the 6-digit verification code sent to csquires@jjkeller.com.

* Field cannot be blank

If you don't see the email in your inbox, please check your spam folder.

Your Compliance Network account will use the same sign in credentials as the following J.J. Keller sites. Please enter the same password you use to access:
Please note: Any changes to your credentials will affect all products.
Contact Support at 1-833-982-1232 or compliancenetwork@jjkeller.com

To proceed with setting up your Compliance Network trial, you need to reset your J. J. Keller password. Please select ‘ Reset Password ’ to continue.

Password

Re-enter Password

Secure password tips:

Password is case sensitive.
Use at least 12 characters.
Use at least one upper and one lower case letter.
Use at least 1 number.
Password may contain special characters: ! @ # $ % ^ & * ( ) ... - + = { }
Your password cannot be any of the last 4 passwords.
Password expires every 365 days.

Your Compliance Network account is no longer active, please call support at 1-833-982-1232 option 3, to reactivate your account.

We are unable to authenticate your J. J. Keller account. Please contact support at 1-833-982-1232 for assistance with creating your trial.

REGSENSE
Topic Search
Specialized Industries - Mining

§75.601-3 Short circuit protection; dual element fuses; current ratings; maximum values.

RegSense CFR Regulations Mining Specialized Industries CFR Section English Focus Area USA

Dual element fuses having adequate current-interrupting capacity shall meet the requirements for short circuit protection of trailing cables as provided in §75.601, however, the current ratings of such devices shall not exceed the maximum values specified in this section:

Conductor size (AWG or MGM)	Single conductor cable		Two conductor cable
Conductor size (AWG or MGM)	Ampacity	Max. fuse rating	Ampacity	Max. fuse rating
14			15	15
12			20	20
10			25	25
8	60	60	50	50
6	85	90	65	70
4	110	110	90	90
3	130	150	105	110
2	150	150	120	125
1	170	175	140	150
1/0	200	200	170	175
2/0	235	250	195	200
3/0	275	300	225	225
4/0	315	350	260	300
250	350	350	285	300
300	395	400	310	350
350	445	450	335	350
400	480	500	360	400
450	515	600	385	400
500	545	600	415	450

['Specialized Industries']

['Mining']

UPGRADE TO CONTINUE READING

About Notice at Collection Terms of Use Do Not Sell or Share My Personal Information Accessibility Support

J. J. Keller is the trusted source for DOT / Transportation, OSHA / Workplace Safety, Human Resources, Construction Safety and Hazmat / Hazardous Materials regulation compliance products and services. J. J. Keller helps you increase safety awareness, reduce risk, follow best practices, improve safety training, and stay current with changing regulations.

VISIT J. J. KELLER.COM

Connect With Us