Electrical Cord Repair

Q: If the prong is damaged on an extension cord, is it permissible to replace the prong with an approved one, provided the repair is done by a qualified electrician?

A: Yes, OSHA states “Extension cords used in construction may be repaired, so long as the repair returns the cord to the "approved" state required by 1926.403(a)”

Working Near Power Lines

Q: How close can you get equipment for drilling to a live power line?

A: Under OSHA 1910.333 standard for voltages to ground 50kV or below you can get within 10 feet.  For voltages to ground over 50kV you would need to be 10 feet away plus 4 inches for every 10kV over 50kV.

Damaged Cord

Q: Is it acceptable to cut the end off of a damaged cord and replace it with a new plug?

A: OSHA will allow this type of repair as long as the plug is replaced with an “approved” plug (i.e., by a testing laboratory such as factory mutual, underwriters laboratories, etc.). 

Secondary Power Lines

Q: When using scaffolding, what safety measures need to be taken to stay safe when working by secondary electric lines running to homes or businesses?

A:  You have several options that you can use to keep yours employees safe, as well as being in compliance with OSHA:

• You can disconnect the power
• Work at least 10 feet from the lines
• Reroute the lines
• Have the power company cover the lines.